APPENDIX 1 Chemistry and Biology of Siderophores R. C. Hider and X. L. Kong List of Siderophore Structures (Prepared November 2009) (Updated January 2015) Index 1 – 12 Siderophore structures 13 – 83 References for original structural elucidation 84 – 106 Index of Appendix 1 Name of siderophore Code number in appendix Achromobactina 104 Acinetobactin 264 Acinetoferrin 218 Aerobactin 212 Aeruginic acid 277 Agrobactin 85 Agrobactin A 88 Albomycin 294 Alcaligin 244 Alterobactin A 233 Alterobactin B 234 Aminochelin 285 Amonabactin P693 257 Amonabactin P750 255 Amonabactin T732 256 Amonabactin T789 254 Amphibactin B 65 Amphibactin C 66 Amphibactin D 67 Amphibactin E 68 Amphibactin F 69 Amphibactin G 70 Amphibactin H 71 Amphibactin I 72 Amphibactin S 73 Amphibactin T 74 Amphi-enterobactin 98 1 Amphi-enterobactin C12-OH 99 Amycolachrome 251 Anachelin 1 260 Anachelin 2 261 Anguibactin 263 Aquachelin A 192 Aquachelin B 193 Aquachelin C 194 Aquachelin D 195 Aquachelin I 196 Aquachelin J 197 Arthrobactin 213 Asperchrome A 34 Asperchrome B1 35 Asperchrome B2 36 Asperchrome B3 37 Asperchrome C 38 Asperchrome D1 39 Asperchrome D2 40 Asperchrome D3 41 Asperchrome E 42 Asperchrome F1 43 Asperchrome F2 44 Asperchrome F3 45 Aspergillic acid 287 Avenic acid 228 Azotobactin 252 Azotobactin 87 186 Azotobactin D 187 2 Azotochelin 252 Azoverdin 185 Bacillibactin 94 Basidiochrome 48 Bisucaberin 246 Carboxymycobactin 118 Carboxymycobactin 1 119 Carboxymycobactin 2 120 Carboxymycobactin 3 121 Carboxymycobactin 4 122 Cepabactin 289 Chrysobactin 284 Citrate 283 Coelichelin 81 Coprogen 53 Coprogen B 54 Corynebactin 93 Deoxydistichonic acid 230 2'-Deoxymugineic acid 227 Deoxyschizokinen 268 Des(diserylglycyl)-ferrirhodin 47 Desacetylcoprogen 54 Desferrioxamine A1A 1 Desferrioxamine A1B 2 Desferrioxamine A2 3 Desferrioxamine B 4 Desferrioxamine D1 5 Desferrioxamine D2 6 Desferrioxamine E 7 3 Desferrioxamine Et1 23A Desferrioxamine Et2 23B Desferrioxamine Et3 23C Desferrioxamine G1 8 Desferrioxamine G2A 9 Desferrioxamine G2B 10 Desferrioxamine G2C 11 Desferrioxamine H 12 Desferrioxamine N 13 Desferrioxamine P1 24 Desferrioxamine T1 14 Desferrioxamine T2 15 Desferrioxamine T3 16 Desferrioxamine T7 17 Desferrioxamine T8 18 Desferrioxamine Te1 23D Desferrioxamine Te2 23E Desferrioxamine Te3 23F Desferrioxamine X1 19 Desferrioxamine X2 20 Desferrioxamine X3 21 Desferrioxamine X4 22 Desferrithiocin 276 2,3-Dihydroxybenzoylserine 281 Dimerum acid 250 Dimethylcoprogen 58 Dimethylneocoprogen I 59 Dimethyltriornicin 60 Distichonic acid 229 4 E,E-putrebactene 247 Enantio Rhizoferrin 101 Enantio-Pyochelin 280 Enterobactin 84 Enterochelin 84 E-putrebactene 248 Exochelin MN 241 Exochelin MS 82 Ferrichrome 25 Ferrichrome A 30 Ferrichrome C 26 Ferrichrysin 29 Ferricrocin 27 Ferrimycin A 292 Ferrirhodin 32 Ferrirubin 31 Ferrocin A 80 Fimsbactin A 270 Fimsbactin B 271 Fimsbactin C 272 Fimsbactin D 273 Fimsbactin E 274 Fimsbactin F 275 Fluvibactin 87 Formobactin 117 Fusarinine (monomer) 267 Fusarinine A 240 Fusarinine B 51 Fusarinine C 50 5 Heterobactin A 188 Heterobactin B 269 Hydroxycopropen 61 Hydroxyisoneocoprogen I 63 3-Hydroxymugineic acid 226 Hydroxy-neocoprogen I 62 Isoneocoprogen I 55 Isopyoverdin 10.7 177 Isopyoverdin 6.7 129 Isopyoverdin 7.13 143 Isopyoverdin 90-33 143 Isopyoverdin 90-44 177 Isopyoverdin BTP1 129 Isotriornicin 56 Itoic acid 288 Loihichelin A 204 Loihichelin B 205 Loihichelin C 206 Loihichelin D 207 Loihichelin E 208 Loihichelin F 209 Maduraferrin 243 Malonichrome 33 Marinobactin A 198 Marinobactin B 199 Marinobactin C 200 Marinobactin D1 201 Marinobactin D2 202 Marinobactin E 203 6 Micacocidin 266 Moanachelins ala-B 76 Moanachelins ala-D 78 Moanachelins gly-B 75 Moanachelins gly-D 77 Moanachelins gly-E 79 Monoglucosylated Enterobactin (MGE) 97 Mugineic acid 225 Mycobactin A 106 Mycobactin Av 114 Mycobactin F 107 Mycobactin H 108 Mycobactin J 116 Mycobactin M 109 Mycobactin N 110 Mycobactin NA 115 Mycobactin P 105 Mycobactin R 111 Mycobactin S 112 Mycobactin T 113 Myxochelin 253 Nannochelin A 215 Nannochelin B 216 Nannochelin C 217 Neocoprogen I 56 Neocoprogen II 57 Neurosporin 52 Nocobactin 115 Ochrobactin A 219 7 Ochrobactin B 220 Ochrobactin C 221 Ornibactin – C4 189 Ornibactin – C6 190 Ornibactin – C8 191 Ornicorrugatin 242 Palmitoylcoprogen 64 Parabactin 86 Parabactin A 89 Petrobactin 237 Petrobactin disulphonate 239 Petrobactin sulphonate 238 Pistillarin 262 Protochelin 92 Pseudoalterobactin A 235 Pseudoalterobactin B 236 Pseudobactin 123 Pseudobactin 589A 165 Putrebactin 245 Pyochelin 278 Pyoverdin 1, 2 176 Pyoverdin 10.1 171 Pyoverdin 10.10 180 Pyoverdin 10.2 172 Pyoverdin 10.3 173 Pyoverdin 10.4 174 Pyoverdin 10.5 175 Pyoverdin 10.6 176 Pyoverdin 10.8 178 8 Pyoverdin 10.9 179 Pyoverdin 11.1 181 Pyoverdin 11.2 182 Pyoverdin 11370 139 Pyoverdin 12 182 Pyoverdin 12.1 183 Pyoverdin 12.2 184 Pyoverdin 13525 142 Pyoverdin 1547 184 Pyoverdin 17400 173 Pyoverdin 18-1 175 Pyoverdin 19310 141 Pyoverdin 2192 179 Pyoverdin 2392 163 Pyoverdin 2461 166 Pyoverdin 2798 171 Pyoverdin 51W 181 Pyoverdin 6.1 123 Pyoverdin 6.2 124 Pyoverdin 6.3 125 Pyoverdin 6.4 126 Pyoverdin 6.5 127 Pyoverdin 6.6 128 Pyoverdin 6.8 130 Pyoverdin 7.1 131 Pyoverdin 7.10 140 Pyoverdin 7.11 141 Pyoverdin 7.12 142 Pyoverdin 7.14 144 9 Pyoverdin 7.15 145 Pyoverdin 7.16 146 Pyoverdin 7.17 147 Pyoverdin 7.18 148 Pyoverdin 7.19 149 Pyoverdin 7.2 132 Pyoverdin 7.3 133 Pyoverdin 7.4 134 Pyoverdin 7.5 135 Pyoverdin 7.6 136 Pyoverdin 7.7 137 Pyoverdin 7.8 138 Pyoverdin 7.9 139 Pyoverdin 8.1 150 Pyoverdin 8.2 151 Pyoverdin 8.3 152 Pyoverdin 8.4 153 Pyoverdin 8.5 154 Pyoverdin 8.6 155 Pyoverdin 8.7 156 Pyoverdin 8.8 157 Pyoverdin 8.9 158 Pyoverdin 9.1 159 Pyoverdin 9.10 168 Pyoverdin 9.11 169 Pyoverdin 9.12 170 Pyoverdin 9.2 160 Pyoverdin 9.3 161 Pyoverdin 9.4 162 10 Pyoverdin 9.5 163 Pyoverdin 9.6 164 Pyoverdin 9.7 165 Pyoverdin 9.8 166 Pyoverdin 9.9 167 Pyoverdin 90-51 153 Pyoverdin 95-275 168 Pyoverdin 96-312 146 Pyoverdin 96-318 155 Pyoverdin 9AW 126 Pyoverdin A214 150 Pyoverdin BTP2 132 Pyoverdin C 169 Pyoverdin CHAO 157 Pyoverdin D-TR133 152 Pyoverdin E 158 Pyoverdin G + R 133 Pyoverdin GM 183 Pyoverdin I-III 156 Pyoverdin P19 151 Pyoverdin Pau 160 Pyoverdin PL8 138 Pyoverdin PVD 134 Pyoverdin R` 144 Pyoverdin Thai 125 Pyoverdin TII 135 Pyridoxatin 290 Quinolobactin 291 Rhizobactin 231 11 Rhizobactin 1021 214 Rhizoferrin 100 Rhizoferrin analogues 100A-100E Rhodotrulic acid 249 Sake Colorant A 28 Salmochelin S1 258 Salmochelin S2 96 Salmochelin S4 95 Salmochelin SX 282 Salmycin A 293 Schizokinen 211 Serratiochelin 259 Siderochelin A 286 Snychobactin A 222 Snychobactin B 223 Snychobactin C 224 Staphyloferrin A 102 Staphyloferrin B 232 Taiwachelin 210 Tetraglycine ferrichrome 46 Thiazostatin 279 Triacetylfusarine 49 Triornicin 55 Vibriobactin 90 Vibrioferrin 103 Vicibactin 83 Vulnibactin 91 Yersiniabactin 265 12 1. HEXADENTATE SIDEROPHORES 1.1 HYDROXAMATES 1.1.1 Desferrioxamines (iron complexes – ferrioxamines) O O N HO N HO HN O O O NH HO O HN O NH O N N HO N O OH O N OH H N E COOH NH2 O G1 Examples of a cyclic (Desferrioxamine E) and an acyclic (Desferrioxamine G1) trihydroxamate. Within the group the hydroxamate and internal succinyl groups are conserved, the lengths of the interconnecting diaminoalkane groups are variable: HO N H2N (CH2) O HO N NH m O (CH2) n HO N O (CH2) O H N HO N O O r (CH2) p o O NH O general structure 13 OH Number of methylene groups Code Name Cyclic m n o p r N-terminal C-terminal modification modification 1 Desferrioxamine A1A - 5 5 4 0 0 - CH3CO replaces succinyl 2 Desferrioxamine A1B - 5 4 5 0 0 - CH3CO replaces succinyl 3 Desferrioxamine A2 - 5 4 4 0 0 - CH3CO replaces succinyl 4 Desferrioxamine B - 5 5 5 0 0 - CH3CO replaces succinyl 5 Desferrioxamine D1 - 5 5 5 0 0 CH3CO 6 Desferrioxamine D2 + 4 5 5 0 0 - - 7 Desferrioxamine E + 5 5 5 0 0 - - 8 Desferrioxamine G1 - 5 5 5 0 0 - - 9 Desferrioxamine G2A - 5 5 4 0 0 - - 10 Desferrioxamine G2B - 5 4 5 0 0 - - 11 Desferrioxamine G2C - 4 5 5 0 0 - - 12 Desferrioxamine H - 5 5 0 0 0 Succinyl CH3CO replaces succinyl 13 Desferrioxamine N - 6 5 5 0 0 - CH3CO replaces succinyl 14 Desferrioxamine T1 + 5 5 5 5 1 - - 15 Desferrioxamine T2 + 4 5 5 5 1 - - 16 Desferrioxamine T3 + 3 5 5 5 1 - - 17 Desferrioxamine T7 + 4 4 5 5 1 - - 18 Desferrioxamine T8 + 3 3 3 5 1 - - 19 Desferrioxamine X1 + 4 4 5 0 0 - - 20 Desferrioxamine X2 + 4 4 4 0 0 - - 21 Desferrioxamine X3 + 5 5 6 0 0 - - 22 Desferrioxamine X4 + 5 6 6 0 0 - - 14 CH3CO replaces succinyl Some of the above listed siderophores are prepared by directed fermentation of Streptomyces olivaceus. Examples are ferrioxamines D2, E, X1 –X6. Additional artificial siderophores have been made using the same organism using 1,5-diamine ethyl ether ( H2N O NH2 S ), S,2-aminoethylcysteine ( H2N H2N NHCO N-glycine-1,2-ethylenediamine ( NH2 (NH2)CO2H ) and ) (21A – 21F, 22) O HO O N HN OH R3 N R2 O H N NH O R1 O O N OH Cyclic desferrioxamines 21 and 22 Code Name R1 R2 R3 23A Desferrioxamine Et1 O (CH2)5 (CH2)5 23B Desferrioxamine Et2 O O (CH2)5 23C Desferrioxamine Et3 O O O 23D Desferrioxamine Te1 S (CH2)5 (CH2)5 23E Desferrioxamine Te2 S S (CH2)5 23F Desferrioxamine Te3 S S S 24 Desferrioxamine P1 (CH2)5 (CH2)5 NHCO 15 1.1.2 Desferriferrichromes (iron complexes – ferrichromes) R2 O N H HN O O NH H N N H O N R3 R5 O R1 H N OH O N O OH R4 N OH O O Trishydroxamate attached to peptide backbone (all L-amino acids) Code Name of Iron complex R1 R2 R3 R4 R5 25 Ferrichrome H H CH3 CH3 CH3 26 Ferrichrome C CH3 H CH3 CH3 CH3 27 Ferricrocin CH2OH H CH3 CH3 CH3 28 Sake Colorant A CH3 CH2OH CH3 CH3 CH3 29 Ferrichrysin CH2OH CH2OH CH3 CH3 CH3 H 30 Ferrichrome A CH2OH H CH3 CH2OH CH3 31 CH2OH CH2OH Ferrirhodin 33 Malonichrome CH2OH CH2OH CH3 H CH3 H OH OH CH3 CH2CO2H 16 OH OH H H CH3 CH2CO2H CH3 OH H 32 H CH2CO2H CH2CO2H Ferrirubin CH3 H CH3 CH2CO2H OH H CH3 CH2CO2H CH3 34 Asperchrome A CH2OH CH3 CH3 CH3 H CO2H H CO2H H CH3 35 Asperchrome B1 CH2OH CH2OH CH3 CH3 OH H OH H CH3 36 Asperchrome B2 CH2OH CH2OH CH3 CH3 OH OH H H CH3 37 Asperchrome B3 CH2OH CH2OH CH3 OH H Asperchrome C CH2OH CH2OH CH3 OH H CH3 38 CO2H CH3 CH3 OCOCH3 OH OH H H H CH3 39 Asperchrome D1 CH2OH CH2OH CH3 CH3 OH H CH3 40 Asperchrome D2 CH2OH CH2OH CH3 CH3 OH H CH3 41 Asperchrome D3 CH2OH CH2OH CH3 CH3 OH H 42 43 Asperchrome E Asperchrome F1 CH2OH CH2OH CH2OH H CH3 Me OH CH2OH Asperchrome F2 CH2OH CH2OH H H OH CH2OH H H Me OH OH CH2OH 17 CH3 OH CH3 OH H OH OH CH3 45 CH3 CH3 H Asperchrome F3 OH OH CH3 44 CH3 CH3 OH OH H OH H Me OH OH 46 Tetraglycine ferrichrome H3C N HN O H3C O N OH N OH OH O CONH CONH O H3C HN O NHCO NHCO NHCO 47 Des(diserylglycyl)ferrirhodin OH H3C OH H3C H3C O N H2N OH OH O N OH CONH O N OH CO2H CONH 48 Basidiochrome H3C CO2H H3C CO2H H3C CO2H O O O N H2N OH CONH N OH CONH N OH CO2H 18 1.1.3 Fusarinines CH3 CH3 O O RNH O O O N OH O N RNH O OH N HO O RNH H3C RNH O O O O RNH O OH O CH3 N N OH HO N CH3 H3C RNH OH O O O Cyclic form 49, 50, 52 Code OH Linear form 51 Name R Chirality of ornithine 49 Triacetylfusarine CH3CO L 50 Fusarinine C H L 51 Fusarinine B H L 52 Neurosporin CH3CO D 1.1.4 Coprogens (name refers to iron complex) R4R3N O O HO H3C R2 N O O O R1 N OH HO N O NH HN O 19 Code Name R1 R2 Me 53 Coprogen 55 Coprogen B (Desacetylcoprogen) Triornicin (isoneocoprogen I) OH CH3-CO H OH H H CH3CO H CH3CO H CH3CO H OH CH3 CH3 OH CH3 CH3 CH3 CH3 CH3CO H CH3CO H CH3CO H H C15H31CO H Me Me OH H H Me CH3 OH H Me Isotriornicin (neocoprogen I) CH3 57 Neocoprogen II CH3 58 Dimethylcoprogen 56 R4 Me OH H 54 R3 OH H CH3 Me Me OH H H Me 59 Dimethylneocoprogen I CH3 H Me 60 Dimethyltriornicin CH3 OH H CH3 Me 61 Hydroxycopropen OH H OH HO CH3 62 Hydroxy-neocoprogen I CH3 HO OH CH3 63 Hydroxyisoneocoprogen I CH3 HO OH Me 64 Palmitoylcoprogen Me OH H OH H 20 1.1.5 Amphibactins H3C C N O O OH HO C N O CH3 HO C N CH3 OH HNR D Code CONH D CONH L CONH L CO2H Name R OH 65 Amphibactin B 66 Amphibactin C O OH O O 67 Amphibactin D O 68 Amphibactin E 69 Amphibactin F 70 Amphibactin G 71 Amphibactin H OH O OH O O O 72 Amphibactin I O 73 Amphibactin S O 74 Amphibactin T 21 1.1.6 Moanachelins H3C C N O O OH HO C N O CH3 HO C N CH3 R1 HNR2 Code CONH CONH Name CONH CO2H R1 R2 O 75 Moanachelins gly-B H O 76 Moanachelins ala-B CH3 O 77 Moanachelins gly-D H 78 Moanachelins ala-D CH3 79 Moanachelins gly-E H O O 22 1.1.7 Other hexadentate hydroxamate siderophores 80 Ferrocin A (X = H) [Ferrocin B; X = OH] (based on L-amino acids) O HO OH N O H N CONH H N O HN O O HN O O O O NH OH NH O O NH HN NH OH N O O X N OH O 81 Coelichelin (based on L-ornithine) H O HO O NH D H O N OH O N OH N OH O D NH2 NH D L HO NH2 O 82 Exochelin MS H2N CO2H O O H O NH N OH OH N NH2 NH D NH2 L D O HO D N OH O 23 83 Vicibactin CH3 O O CH3CONH HO D N O OH N O D O O H3C D O O CH3 CH3CONH 1.2 NHCOCH3 N O OH CATECHOLATES AND PHENOLATES 84 Enterobactin (catechol ligands) OH OH O O HN H N O O O OH O O OH O O NH HO HO 24 X OH HO OH N OH O Code O O NH OH CH3 HN (CH2)n N O Name X N Ligands 85 Agrobactin OH 4 Catechol 2-Hydroxyphenyloxazoline 86 Parabactin H 4 Catechol 2-Hydroxyphenyloxazoline 87 Fluvibactin OH 3 Catechol 2-Hydroxyphenyloxazoline X HO OH O OH OH H3C O Code OH N N H OH NH O HN O Name X Ligands 88 Agrobactin A OH Catechol 89 Parabactin A H Catechol and salicylate 25 N X X OH OH OH O N O CH3 O OH CH3 N H Code O N N H O Name X Ligands 90 Vibriobactin OH Catechol 91 Vulnibactin H Catechol and 2-Hydroxyphenyloxazoline OH OH OH O O OH OH NH N H OH H N N H O O 92 Protochelin (catechol ligands) O N H OH OH O O R O HN NH O O N H HO OH R O O R O O NH O N H Code O OH OH Name R Ligands 93 Corynebactin H Catechol 94 Bacillibactin CH3 Catechol 26 HO HO OH OH OH OH O HO HO O OH O HN H N O O O O HO OH O O OH O NH O HO HO 95 Salmochelin (S4) (catechol ligands) HO HO OH OH OH O HO HO OH HO O O HN O OH O NH O HO HO 96 Salmochelin (S2) 27 O H N O O OH O OH OH OH 97 Monoglucosylated Enterobactin (MGE) OH OH OH O HO HO O OH O HN H N O O O O OH O OH O NH O HO HO 98 Amphi-enterobactin OH HO HO O O NH HO O NH O O O O O O HN O O O HN OH OH 99 Amphi-enterobactin C12-OH OH HO HO O O NH HO O NH O O O O O O HN O O O HN OH OH OH 28 α-HYDROXYCARBOXYLATES 1.3 R O HO OH HO2C CO2H CO2H OH HO2C CO2H CO2H HO2C 89 88 100 N H HO2C HO HN NH Code O H N O O Name R Ligand Rhizoferrin (CH2)2 α-Hydroxycarboxylate and carboxylate 100A-100E are artifical siderophores produced by directed fermentation 100A Homorhizoferrin -(CH2)3- α-Hydroxycarboxylate and carboxylate 100B Norrhizoferrin -(CH2)- α-Hydroxycarboxylate and carboxylate 100C Oxahomorhizoferrin -CH2OCH2- α-Hydroxycarboxylate and carboxylate 100D 2-Methylhomorhizoferrin -CH(CH3)CH2CH2- α-Hydroxycarboxylate and carboxylate 100E 2-Oxorhizoferrin -COCH2- α-Hydroxycarboxylate and carboxylate 101 O N H OH CO2H CO2H α-Hydroxycarboxylate and carboxylate Enantio Rhizoferrin H N D O CO2H HO HO2C HO2C 102 Staphyloferrin A (α-hydroxycarboxylate and carboxylate ligands) 29 O N H3C L CO2H OH H N O O OH CO2H CO2H O 103 Vibrioferrin (α-hydroxycarboxylate and carboxylate ligands) O O O CO2H N HO CO2H OH O NH CO2H O N HO HO2C 104 Achromobactin (α-hydroxycarboxylate ligands) 30 1.4 MIXED FUNCTION SIDEROPHORES 1.4.1 Hydroxamate / Phenolate 1.4.1.1 Mycobactins R1/R4 – Generally a long chain fatty acid (C10-21) which is frequently unsaturated with a cis double bond conjugated to the CO function. O e.g. C9 R2 HO O N HO R3 O HO N O R1 NH N O O O NH O R4 R5 Hydroxamate and 2-Hydroxyphenyloxazoline ligands Code Name R1 R2 R3 R4 R5 105 Mycobactin P C15-19 CH3 H C2H5 CH3 106 Mycobactin A C13 CH3 H CH3 H 107 Mycobactin F C9-17 H CH3 CH3 H 108 Mycobactin H C17-19 CH3 CH3 CH3 H 109 Mycobactin M CH3 H CH3 C15-18 CH3 31 110 Mycobactin N C2H5 H CH3 C15-18 CH3 111 Mycobactin R C19 H H C2H5 CH3 112 Mycobactin S C9-19 H H CH3 H 113 Mycobactin T C17-20 H H CH3 H 114 Mycobactin Av C11-18 H CH3 C2H5 CH3 115 Mycobactin NA (Nocobactin) CH3 H CH3 C9-11 CH3 116 Mycobactin J C15 H CH3 C2H5 CH3 117 Formobactin H H CH3 C9 CH3 32 1.4.1.2 Carboxymycobactins HO O N HO R3 O HO N O R NH N O O O NH O R4 R5 Hydroxamate and 2-Hydroxyphenyloxazoline ligands Carboxymycobactin (M . smegmatis) Code 118 (8 isoforms ) R (CH2)nCO2H (n=2-9) R3 R4 R5 H CH3 H Carboxymycobactins (M . avium ) 119 (6 isoforms ) 120 (3 isoforms ) 121 (9 isoforms ) 122 (4 isoforms ) (CH2)nCO2H (n=2-7) CH3 C2H5 CH3 (CH2)nCO2CH3 (n=2-4) CH3 C2H5 CH3 CH3 C2H5 CH3 CH3 C2H5 CH3 (CH2)nCO2H (CH2)nCO2CH3 (n=1-9) (n=2-5) 33 1.4.1.3 Pyoverdins General structure NH O HO Ch1 N NH O HO N H R1 Ch2 Bidentate chelation sites Ch1 and Ch2 are placed on a peptide backbone of varied length (6 – 12 amino acids) and create a hexadentate coordination site with the chromophore 5-amino-2,3-dihydro-8,9-dihydroxy-1H-pyrimido [1 ,2 ] quinoline-1-carboxylic acid. The two bidentate chelation sites can be hydroxamates, α-hydroxycarboxylates or 1 of each type. Isopyoverdines have been isolated from P . putida where the carboxylate group is located at C-3 instead of C-1 of the ring system. HN O HO HO N NH O N H R1 Chromophore in isopyoverdines 34 Side chains R1 of pyoverdin isoforms include: CH2CH2CO2H CH2CH2CONH2 CH2CHOHCO2H CH2CHOHCONH2 CH2CH2CHNH2CO2H CH2CH2COCO2H A mixture of these isoforms is common in most isolates. Pyoverdins can be classified according to their chelating functions, macrocyclic structure or molecular size. In this listing we have adopted a numbering system which is based on peptide length and molecular size. The first digit indicates the number of amino acids in the peptide backbone. The second digit is allocated in order of molecular wt. 62 pyoverdins have been sequenced, there are a further 40 known pyoverdins which have been partially characterised but have not been fully sequenced at the present time. There is an excellent comprehensive review describing pyoverdins in “Progress in the Chemistry of Organic Nature Products by Budlzikiewicz (2004). Pyoverdins with a six amino acid backbone 123 Pyoverdin 6.1 (Pseudobactin ) O HO CONH2 NH HO N NH O NH2 HO CO2H CH3 H3C OH CH3 OH N O HN L CONH D CONH 35 L CONH D CONH L CONH D 124 Pyoverdin 6.2 (chirality not assigned) O HO CONH2 NH N HO NH HO O HN CONH CONH OH OH CO2H CONH OH CONH OH N O CONH NH2 125 Pyoverdin 6.3 (Pyoverdin Thai) O HO (chirality not assigned) CO2H NH N HO O NH HO O H3C N HN N H OH N O OH OH CONH CH3 CONH CONH OH N CONH 126 Pyoverdin 6.4 (Pyoverdin 9AW) HO NHCO HO N CONH2 NH H3C NH2 O HN CONH L L CONH CONH D OH OH HN N 36 OH OH D CONH L OH N O CONH L 127 Pyoverdin 6.5 (chirality not determinel) O HO CONH2 NH HO N O NH HO O H N O O NH2 HO H N N HN N H OH CONH CONH CONH CONH CO2H 128 Pyoverdin 6.6 CO2H O HO NH H3C O N HO N NH H3C CH3 O CONH HN CONH D OH N OH CONH L CONH OH D CONH O CH3 L CONH L D OH 129 Pyoverdin 6.7 (Isopyoverdin BTP1) O O HO HO CO2H O NH N HO CO2H NH CH3 O HN CONH L CONH L L CO2H 37 CONH CH3 N OH D CONH L OH N O CONH L 130 Pyoverdin 6.8 O CONH2 O NH HO NH2 HO N NH HO O HN CONH NH2 HO L CONH CH3 NH2 N CO2H L CONH L CONH L CONH L CO2H D CH3 Pyoverdins with a seven amino acid backbone 131 Pyoverdin 7.1 O CONH2 HO HO NH N CONH OH H3C O HN O NH2 NH HO L CONH L CH3 N O OH CONH D OH N CONH L CONH L D CH3 132 Pyoverdin 7.2 (Pyoverdin BTP2) CONH2 O NH HO HO N NH HO O CONH HN L CONH H3C CO2H L CONH D OH 38 CONH OH L CONH OH D O CONH OH N 133 Pyoverdin 7.3 (Pyoverdin G + R) O HO CONH2 NH H2N HO N HO O HN CONH L H N NH2 NH CONH CO2H D OH CONH L CONH CONH L O CONH L L CO2H 134 Pyoverdin 7.4 (Pyoverdin PVD) O HO COCO2H NH NH2 N HO NH HN CO2H HO O CONH L CONH L OH OH CONH L CONH L CONH OH D OH N O CONH L D OH 135 Pyoverdin 7.5 (Pyoverdin TII) COCH2CH2CO2H O HO H NH O N HO NH N NH2 OH H3C O HN CONH D CONH L CONH D OH 39 CONH OH D CONH OH L OH N O CONH L 136 Pyoverdin 7.6 (chirality not assigned) CONH2 O NH HO NH2 NH2 HO NH N HN CO2H HO O CONH CONH CONH CONH CONH OH OH OH N O CONH CH3 137 Pyoverdin 7.7 CONH2 O HO OH NH O HO L NH N HO2C O OH H3C HO NHCO O CO2H O D OH HN L HN CONH L CONH D L CONH CONH CO2H OH OH NH2 138 Pyoverdin 7.8 (Pyoverdin PL8) CO2H O NH HO O H3C N N HO NH H3C CH3 O HN CONH D OH N OH CONH L CONH D NH2 40 CONH D CONH L O CONH L 139 Pyoverdin 7.9 (Pyoverdin 11370) OH O HO NH HO N CO2H NH NH2 O CONH HN L HO CONH CO2H CONH D OH CONH D OH CH3 CONH L D CONH L CO2H 140 Pyoverdin 7.10 (chirality not assigned) CONH2 O NH2 NH HO H2N N HO NH HO O HN CONH CONH CO2H OH OH CONH CONH CONH O CONH OH 141 Pyoverdin 7.11 (Pyoverdin 19310) CONH2 O OH O NH HO HO N O O NH L NH2 HN L CONH OH H3C H3C HO2C D CONH L CONH O L OH N H O CONH D NH L OH 41 CO2H OH N O OH N L 142 Pyoverdin 7.12 (Pyoverdin 13525) O CONH2 O NH2 NH HO HO HO N H O N N H NH O HN CONH CONH CONH L CONH L L OH O L HN CONH OH N O D H D OH 143 Pyoverdin 7.13 (Isopyoverdin 90-33) CHNH2CO2H O NH HO HO NH N OH NH2 H3C H N HN L L O O CONH HO OH CONH L O H3C CONH D OH H3C L CONH OH D CO2H 144 Pyoverdin 7.14 (Pyoverdin R`) CONH2 O NH HO HO N O NH HO D N NH O HO H N CH3 O CONH2 CONH2 HO N NH L CONH L CONH L CONH 42 D CONH D CONH CO2H OH N O CONH L 145 Pyoverdin 7.15 O HO CONH2 O NH HO HO NH N CH3 NHCO N OH O L HN CH3 O HN CONH HN CONH L L CONH CONH L OH O N L D O D OH CH3 CO2H 146 Pyoverdin 7.16 (Pyoverdin 96-312) O HO CONH2 O NH HO N HO NH H NHCO N OH O L HN OH O HN HN CONH L CONH L CONH CONH L L L O D OH NH2 HO N O H 147 Pyoverdin 7.17 CONH2 O H2N HO NH N H O NH HO HO NHCO N OH O L HN O HN CONH HN L CONH L CONH L CONH L D O D OH N H3C 43 OH L O CO2H 148 Pyoverdin 7.18 COCO2H O HO NH N HO O NH2 HO NH H NHCO HN O HN CONH HN CONH L L OH O D N CONH CONH L D D O D CO2H OH N H OH O 149 Pyoverdin 7.19 (chirality not assigned) CONH2 O NH HO NH2 H2N NH2 NH HO N NH OH O HN CONH CONH CONH CO2H HO O N CH3 44 CONH CONH CO2H O CONH OH N Pyoverdins with an eight amino acid backbone 150 Pyoverdin 8.1 (Pyoverdin A214) CONH2 O NH HO H3C N HO NH N OH H3C O O L OH O N H HN CH3 O HN CONH CONH D L O OH L CO2H O L CONH CONH D CONH CH3 D OH 151 Pyoverdin 8.2 (Pyoverdin P19) (chirality of alanines not assigned) CONH2 O HO NH H3C N HO NH N OH H3C O O L OH O N H CH3 O HN CONH D D HN L CONH CONH O L OH 45 CONH CONH D OH CO2H D O OH 152 Pyoverdin 8.3 (Pyoverdin D-TR133) (chirality of alanines not assigned) CONH2 O H O H NH HO O N N HO HO N NH CH3 NH2 O OH O H3C O NHCO O D HN CH3 HN CONH CONH D L CONH CONH CONH L L CH3 CO2H 153 Pyoverdin 8.4 (Pyoverdin 90-51) O CONH2 NH HO N HO NH2 OH NH HO NH2 O CONH HN L CONH CO2H D CONH H3C OH L CONH CONH D CONH L CONH L CO2H 154 Pyoverdin 8.5 (chirality not assigned) O HO NH HO N NH O HN NHCO O COCO2H O HO H O N OH OH NHCO NHCO CONH OH CONH N H HN HO N O CONH OH OH 46 OH N O OH H L 155 Pyoverdin 8.6 (Pyoverdin 96-318) (chirality not assigned) CONH2 O H2N HO HO NH N H O NH HO O N OH O HN CONH CONH L CONH L CONH D N H OH CONH L CONH L OH O L HN L D HO OH H N O 156 Pyoverdin 8.7 (Pyoverdin I-III) (chirality of alanines not determined) CO2H NH2 O H O H NH HO O N HO NH N HO N NH2 O OH L O HN CONH CONH D CONH L NHCO O H3C CH3 O HN CH3 CONH CONH L D L CONH2 157 Pyoverdin 8.8 (Pyoverdin CHAO) (chirality of alanines not determined) CONH2 NH2 O H O HO O H NH N N HO NH HO N NH2 O OH L O HN CONH D CONH L CONH L CO2H 47 NHCO O H3C L CONH D CH3 O HN CONH CH3 158 Pyoverdin 8.9 (Pyoverdin E) CONH2 O NH HO NH HO HO NH N CH3 H O NH2 H2N NHCO HN OH O OH HN CONH HN OH O L N L CONH D CONH L CONH CONH L O L D L CH3 OH N H OH O Pyoverdins with a nine amino acid backbone 159 Pyoverdin 9.1 (chirality not assigned) H3C CONH2 OH HN O HO N HN NH2 CONH HO2C CONH OH HO O NH CONH O CO2H 48 O O CH3 OH NH O N OH HN NH O HN O O H3C NH HO OH H N OH 160 Pyoverdin 9.2 (Pyoverdin Pau) CONH2 O NH HO O H3C N N HO NH CONH2 OH OH H3C H3C O CONH HN CONH D OH N O CONH L CONH OH D HO CONH D D O NH CONH L HN D O OH 161 Pyoverdin 9.3 (chirality not determined) HO COCO2H O O HO NH NH2 HN H O CONH CONH CONH CONH NH OH OH CH3 O HN O HO N HO NH N HO N O NH CONH O CO2H 162 Pyoverdin 9.4 (chirality not determined) CONH2 OH N O HO NH HO N HO NH CH3 O HN CONH CONH CONH OH CONH OH CONH O CH3 O NH2 N OH HN HO O NH CONH O OH 49 163 Pyoverdin 9.5 (Pyoverdin 2392) OH N CO2H O O NH HO O H3C N N HO NH OH HN CONH2 OH O HN CONH D CONH CONH D CONH D OH OH H3C H3C HN CONH L L D O O CONH D NH2 164 Pyoverdin 9.6 (chirality not assigned) O HO CONH2 NH N HO O NH2 NH HO O CO2H H3C OH OH H3C H3C NH2 D NHCO NHCO O NH CONH HN CONH CONH CONH CONH CONH CH3 O HO2C OH 165 Pyoverdin 9.7 (Pseudobactin 589A) CONH2 HO O HO2C NH HO HO NH N NH2 O CO2H HO H N HN L D O O OH H3C OH HN CONH CONH O D CONH HN L CONH D CONH L CO2H 50 L L CH3 O L N OH 166 Pyoverdin 9.8 (Pyoverdin 2461) NH2 OH HN CO2H OH H3C H3C L OH HN CONH CONH O HO CO2H HO NH2 NH H N O L N D O O O L N HO L NH CONH D CONH L CH3 O CONH HN L CO2H 167 Pyoverdin 9.9 CONH2 OH N O O HO NH H3C N HO N NH O L OH L N H3C OH CH3 H3C HN L D O O OH HN L H N CONH HN H2NCO O CONH L L CONH D CONH L CONH OH CH3 CO2H 51 OH 168 Pyoverdin 9.10 (Pyoverdin 95-275) (chirality of serine not established) O HO H CO2H HO N N O OH NH O O NHCO HN OH OH HN HN CONH CONH L D L OH O L OH CONH CONH CONH L CONH L O L OH NH2 N H OH O 169 Pyoverdin 9.11 (Pyoverdin C) CONH2 HO HO O HO O NH N N HO OH HN OH NH NH2 CONH OH HN H3C O HN D D CONH D CONH L OH H N L OH CO2H L O O O NH O L OH HO2C CH3 CONH L CO2H 170 Pyoverdin 9.12 (chirality not determined) CONH2 NH2 O H2N NH HO H3C NH N OH CONH NH2 OH CONH OH H N HN O HN HO2C O N HO NH CONH CH3 52 CONH OH HN CONH O O O OH CH3 OH CO2H Pyoverdins with a ten amino acid backbone 171 Pyoverdin 10.1 (Pyoverdin 2798) HO CONH2 HO O NH HO N HO N O NH O H3C L N O HN NH HO L HN OH HO NH L CO2H CONH CONH L CONH D CONH D CH3 D HN O O CONH 172 Pyoverdin 10.2 CO2H O OH HN NH HO HO N NH2 HN CONH2 NH HO D CONH D CONH CONH CONH CO2H L CONH H N D N CH3 173 Pyoverdin 10.3 (Pyoverdin 17400) 53 L O O L O HN OH N O NH L O OH N O CONH2 O HO CONH D CONH CONH CONH D O O L CO2H HO O HN D HN CONH2 NH N L H3C NH2 NH HO HN L H N CONH OH HN D O L N CH3 174 Pyoverdin 10.4 (chirality not determined) COCO2H NHCO OH O O HO HO H O NH2 NH HO HN N HN NH N OH CONH OH O O CONH CONH CONH HN CONH NH CONH HO H N O O OH 175 Pyoverdin 10.5 O (Pyoverdin 18-1) N H O CO2H H HO O N HO NH2 CONH L HN NH OH OH O O O D OH L NH HN N N H OH O L HN L CONH NH D O CONH D OH 54 L CONH O HO N H O 176 Pyoverdin 10.6 (Pyoverdin 1,2) CONH2 O NH HO H2N HO NH H3C N O HN OH OH CONH CONH L D HO CONH OH H N CONH2 CO2H CONH L CONH L HN H N OH D L O O D L L CH3 NH O L N OH O N OH 177 Pyoverdin 10.7 (Isopyoverdin 90-44) (chirality of serine not determined) OH H N OH HN O CO2H O O HN HO O HO NH2 HO NH N O CH3 O HN H3C N L H CO2H CONH L D D N OH O OH HN N O O CONH O O OH HN L OH CONH 178 Pyoverdin 10.8 (chirality not determined) NHCO CONH2 O HO HN NH N HO NH NH2 O HO CH3 CONH N HN OH CONH OH HN O HN OH O CONH OH NH CONH CONH O HO O OH O 55 O N H 179 Pyoverdin 10.9 (Pyoverdin 2192) O HO NH N HO OH H N CONH2 OH HN NH2 NH OH H3C OH O OH H3C L OH HN O L N D O O OH O L HN CONH L CONH L CONH D CONH L CONH D CONH D HO OH N CH3 O 180 Pyoverdin 10.10 (chirality not determined) CONH2 OH H N O NH HO HO N NH OH O HN CONH OH HN NH2 CONH CONH OH H3C OH H3C OH HN CONH CONH CONH O O N O HO OH O CH3 N O 56 OH Pyoverdins with an eleven amino acid backbone 181 Pyoverdin 11.1 (Pyoverdin 51W) H3C CONH2 O CH3 NH HO HO NH2 OH HN D NH N HO2C O OH HN L O O HN H N D O OH H N O L O O D HN CONH D CONH CONH CONH D CONH D CH3 CONH2 182 Pyoverdin 11.2 (Pyoverdin 12) NHCO OH O L HN CONH2 O HO HO NH HO HN N HN HN O L CONH D CONH CONH D NH L L CONH D O HO O O HN OH OH NH2 NH N H O O NH L O OH 57 N H L O CO2H N OH Pyoverdins with a twelve amino acid backbone 183 Pyoverdin 12.1 (Pyoverdin GM) CH3 CONH2 OH HN O HO H2NCO NH N HO NH2 D OH HN HO2C NH HN O O CH3 D O NH O O NH D CH3 CH3 D O O O D H N L HN L O NH L D HN CONH D CONH O CONH N CH3 OH 184 Pyoverdin 12.2 (Pyoverdin 1547) OH HN CH3 H2NOC CO2H HO N HO O NH2 O HO NH O CH3 D HN CH3 L HN CONH L D D O O CONH D CONH L O HN H3C N NH HN HN CONH D O O OH CH3 OH 58 L L O OH H N O O L N OH 1.4.1.4 Other hexadentate hydroxamate / phenolate siderophores 185 Azoverdin CONH2 O HO O NH N HO HO OH NH O CONH D CONH D D OH N O CONH L L N L N OH H N CONH HN CH3 OH 186 Azotobactin 87 (chirality of homoserine not fully determined) HO H N HO O HO N N CONH HN OH OH O HN CO2H H N HO D CONH OH D O O O NH N OH H N N H O L L O OH OH O N H O H N L L O OH O O 187 Azotobactin D H2N H N HO HO O HO N N OH O HN CONH L HN OH D CONH CO2H H N D O NH L O OH 59 O H3C NH OH OH L O O N H O N H N D L O O N H OH H N D OH L O CO2H 188 Heterobactin A N O OH N O L HO O NHCO NH NHCO H N OH D O OH 1.4.2 Hydroxamate / α-Hydroxycarboxylate 1.4.2.1 Ornibactins OH NH2 L R N CONH D HO CONH CONH L NH2 CONH CO2H OH HO OH O O Code L N H Name R 189 Ornibactin – C4 CH3 190 Ornibactin – C6 CH3CH2CH2 191 Ornibactin – C8 CH3CH2CH2CH2CH2 60 1.4.2.2 Aquachelins O CONH2 CO2H HO RHN D Code O N HO CONH CONH L D CONH CONH D Name 192 Aquachelin A 193 Aquachelin B 194 Aquachelin C 195 Aquachelin D 196 Aquachelin I 197 Aquachelin J CONH D R O O O O OH O 1.4.2.3 Marinobactins (α-Hydroxycarboxyamide / hydroxamate ) O HO H N O CH3 O N HO OH CH3 N OH HO RHN D O N H NH D CONH L D CH3 N OH OH OH CONH L HO CH3 CONH L O 61 CONH L CO2H O L CO2H Code Name R 198 Marinobactin A 199 Marinobactin B 200 Marinobactin C 201 Marinobactin D1 202 Marinobactin D2 203 Marinobactin E O O O O O O 1.4.2.4 Loihichelins CH3 O HO CONH2 HO R N H CO2H D CONH OH OH D CONH N L CONH L CONH L CONH CH3 H N D O O OH NH D N 62 O OH Code Name 204 Loihichelin A 205 Loihichelin B 206 Loihichelin C 207 Loihichelin D 208 Loihichelin E 209 Loihichelin F 210 Taiwachelin R O OH O O O O O OH O N H N O HO O N H O OH H N O OH O N H O OH 63 H N O OH O N H OH N O OH 1.4.2.5 Other hexadentate hydroxamate / α-hydroxycarboxylate R1 (CH2)n CONH H OH OH O N R2 CO2H CONH H R3 (CH2)n R1 Code O N OH Name R1 R2 R3 n 211 Schizokinen H CH3 CH3 2 212 Aerobactin CO2H CH3 CH3 4 213 Arthrobactin H CH3 CH3 4 214 Rhizobactin 1021 H CH3 215 Nannochelin A CO2CH3 216 Nannochelin B CO2CH3 and CO2H 217 Nannochelin C CO2H Ph (CH2)6CH3 2 Ph 4 Ph Ph 4 Ph Ph 4 R2 218 Acinetoferrin 2 H R3 64 R2 219 Ochrobactin A CO2H 4 R3 R2 220 Ochrobactin B CO2H 4 R3 R2 221 Ochrobactin C CO2H 4 R3 R2 222 Snychobactin A CH3 H 3 R3 R2 223 Snychobactin B CH3 H 3 R3 R2 224 Snychobactin C CH3 H 3 R3 1.4.3 α-Hydroxycarboxylate / α-aminocarboxylate Mugineic acids X CO2H CO2H CO2H N N H Z Y 65 Code Name 225 Mugineic acid 226 3-Hydroxymugineic acid 227 2-Deoxymugineic acid X Y Z H OH OH OH OH OH H H OH 228 Avenic acid CO2H CO2H N H N H HO CO2H OH Distichonic acids CO2H N H CO2H R N H Code CO2H OH Name 229 Distichonic acid 230 Deoxydistichonic acid R OH H 231 Rhizobactin CO2H CO2H HO CONH L N H H N D CO2H CH3 66 232 Staphyloferrin B OH O NH2 HO2C O OH NHCO L N CONH HO CO2H 1.4.4 Phenol / α-hydroxycarboxylate 233 Alterobactin A HN NH2 NH O OH NH O OH OH O O NH N H L O CO2H OH L D NH2 O L O HO H N HN O O CO2H 67 234 Alterobactin B HN NH2 NH O OH NH O OH O OH O NH N H O L CO2H OH L D NH2 OH HO L O HO H N O HN O CO2H Pseudoalterobactins O HO3S H N HO OH O OH O N H NH2 L NH2 CO H N O HO N H O L N H H N L HN O O L L N H O COOH R Code Name 235 Pseudoalterobactin A 236 Pseudoalterobactin B R CH2NH2 NH2 NH NH2 Petrobactins CONH N H OH NHCO OH R1 OH CO2H CONH N H OH NHCO R2 OH 68 COOH OH Code Name R1 R2 H H 237 Petrobactin 238 Petrobactin sulphonate SO3H H 239 Petrobactin disulphonate SO3H SO3H 1.4.5 Hydroxamate / α-aminocarboxylate 240 Fusarinine A NH2 HO2C OH N O NH2 O OH N O L L OH O 1.4.6 Hydroxamate / β-hydroxyhistidine 241 Exochelin MN H N N NH2 L OH CONH O O N N H OH L O HO N L H N HN NHCH3 O L O NH2 69 1.4.7 α-Hydroxycarboxylate / β-hydroxyhistidine 242 Ornicorrugatin N NH HO CONH H N NH2 L N OH HO OH CO2H H N L O N H D CONH L CONH D CONH L N L O NH L HO2C OH CO2H 1.4.8 Salicylate / hydroxamate / pyridazine 243 Maduraferrin O H3C N N L NH O N C HO L HN OH O NHCO O HO H N O 70 2. Tetradentate siderophores 2.1 Hydroxamates O HO O N HN R R NH C O O N OH Code Name 244 Alcaligin 245 Putrebactin R OH H 246 Bisucaberin O HO O N HN NH N O OH O 71 247 E,E-putrebactene O HO O N HN NH N C O O OH 248 E-putrebactene O HO O N HN NH N C O O O R O N OH Code 249 OH H N L N H R L N HO O O Name R Rhodotrulic acid CH3 CH3 250 Dimerum acid OH 72 251 Amycolachrom CH3CONH L OH OH OH CONH L CONH OH N O H3C L CONH O HN L HN L N L O N H 2.2 Catecholates and Phenolates OH OH O NH OH O HO N H Code L R Name R 252 Azotochelin CO2H 253 Myxochelin CH2OH 73 O OH OH OH OH CONH OH OH CONH CONH R H2N L CONH CONH L Code O D Name 254 Amonabactin T789 255 Amonabactin P750 OH OH OH OH NH CO2H O R N H NH R H2N L CONH Code 256 L CONH D CO2H Name R Amonabactin T732 N H 257 Amonabactin P693 74 258 Salmochelin S1 HO HO OH HO OH O O NH O O OH NH OH O HO2C OH HO 259 Serratiochelin OH OH OH H N OH N H N O O O 260 Anachelin 1 OH H3C N OH OH OH H H N O CONH L CONH L CONH N L OH OH CH3 O CH3 OH OH 261 Anachelin 2 OH O OH H3C OH N CONH L CONH OH L CONH OH H H N L O HO N CH3 CH3 OH OH 75 262 Pistillarin O OH HO OH HO NH HN O N H 2.3 Mixed Function Tetradentate Siderophores OH N OH HN N X N HO R O Code Name R X 263 Anguibactin H S Phenolic / Hydroxamate 264 Acinetobactin CH3 O Phenolic / Hydroxamate R1 S N R2 N OH S H3C CO2H N S R3 CH3 OH Code Name R1 R2 R3 265 Yersiniabactin H H OH 2 Hydroxyphenyl thiazoline / α-hydroxycarboxylate 266 Micacocidin CH3CH2CH2CH2CH2 CH3 CH3 2 Hydroxyphenyl thiazoline / thiazolecarboxylate 76 267 Fusarinine (monomer) NH2 OH N O HO OH O 268 Deoxyschizokinen (Hydroxamate / α-hydroxycarboxylate) OH O N CONH OH CH3 CO2H H N CONH CH3 O 269 Heterobactin B (Catecholato / hydroxamate) OH OH O NH H N HN O D O L N OH O NH2 77 HO O OH R2 N O R4 O R1 Name R1 R2 Fimsbactin A H H Code 270 N H OR3 271 Fimsbactin B Me H 272 Fimsbactin C Me Me 273 Fimsbactin D H R3 R4 O H N O N OH OH OH H N H H N O 274 Fimsbactin E 275 Fimsbactin F H H H OH H H 3. Tridentate Siderophores 276 Desferrithiocin (Hydroxyphenylthiazolone / carboxylate) N S OH N CH3 CO2H 78 H N O N OH 277 Aeruginic acid (Hydroxyphenylthiazolone / carboxylate) OH S N CO2H OH S N L S H R1 N R2 L CO2H Code Name R1 R2 278 Pyochelin H H Hydroxyphenylthiazolone / carboxylate 279 Thiazostatin CH3 CH3 Hydroxyphenylthiazolone / carboxylate 280 Enantio-Pyochelin (Hydroxyphenylthiazolone / carboxylate) OH S N D HN HO2C S D H 79 281 2,3-Dihydroxybenzoylserine OH OH NH O L O OH OH 282 Salmochelin SX OH OH OH O HO HO O OH HN O OH OH 283 Citrate O OH HO HO OH O O 4. Bidentate Siderophores 284 Chrysobactin OH OH O H2N OH NH CONH CO2H 80 285 Aminochelin OH OH NH2 N H O 286 Siderochelin A OH N H H3C CONH2 HO 287 Aspergillic acid N N O OH 288 Itoic acid OH OH O N H CO2H 289 Cepabactin H3CO H3C N O OH 81 290 Pyridoxatin CH3 OH N O OH CH3 291 Quinolobactin OCH3 OH N O OH 5. Antibiotic-based Siderophores 292 Ferrimycin H3N H3C HO HO H2N N O O CH3 H NH HO HO N NH O (CH2) O HO N NH 5 O (CH2) HO N O (CH2) NH 5 O 82 O CH3 5 293 Salmycin A HO HO N (CH2) O 5 O (CH2) HO N O HO N NH (CH2) O O H2C 5 NH 5 OH OH O N O O OH O HO O OH HO NH OH H3C 294 Albomycin δ1 X = O O Albomycin δ2 X = Albomycin ε CH3 O HO N HO X = NH CH3 O N NH2 N O HO X CH3 N N CH3 OH H2N CONH CONH CONH N O CO2H S OH CONH OH 83 OH References for original structural elucidation Code Name Organism Key Reference 1 Desferrioxamine A1A Nocardia, sp, Streptomyces sp Keller-Schierlein, W., Mertens, P., Prelog, V., Walser, A. (1964) Helv. Chim. Acta 48, 710-723 2 Desferrioxamine A1B Salinispora, tropica Ejje, N., Soe, C. Z., Gu, J., Codd, R. (2013) Metallomics 5, 1519-1528. 3 Desferrioxamine A2 Nocardia, sp, Streptomyces sp Keller-Schierlein, W., Mertens, P., Prelog, V., Walser, A. (1964) Helv. Chim. Acta 48, 710-723 4 Desferrioxamine B Nocardia, sp, Streptomyces sp Prelog, V., Walser, A. (1962) Helv. Chim. Acta 45, 631-637 5 Desferrioxamine D1 Nocardia, sp, Streptomyces sp Keller-Schierlein, W., Prelog, V., (1961) Helv. Chim. Acta 44, 709-713 6 Desferrioxamine D2 Nocardia, sp, Streptomyces sp Keller-Schierlein, W., Mertens, P., Prelog, V., Walser, A. (1964) Helv. Chim. Acta 48, 710-723 7 Desferrioxamine E Nocardia, sp, Streptomyces sp Keller-Schierlein, W., Prelog, V., (1963) Helv. Chim. Acta 44, 1981-1983 8 Desferrioxamine G1 Nocardia, sp, Streptomyces sp Reissbrodt, R., Rabsch, W., Chapeaurouge, A., Jung, G., Winkelmann (1990) Biometals. 3, 54-60 9 Desferrioxamine G2A Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 10 Desferrioxamine G2B Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 11 Desferrioxamine G2C Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 12 Desferrioxamine H Streptomyces spp Adapa, S., Huber, P., Keller-Schierlein, W. (1982) Helv. Chim. Acta 65, 1818-1824 84 13 Desferrioxamine N Salinispora, tropica Ejje, N., Soe, C. Z., Gu, J., Codd, R. (2013) Metallomics 5, 1519-1528. 14 Desferrioxamine T1 Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 15 Desferrioxamine T2 Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 16 Desferrioxamine T3 Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 17 Desferrioxamine T7 Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 18 Desferrioxamine T8 Erwinia amylovora Feistner, G. J., Gabrik, A. H., Beer, S. V. (1993) Org. Mass. Spectrom. 28, 163-175 19 Desferrioxamine X1 Erwinia amylovora Meives, J., Fiedler, H-P., Zahner, H., Konetschny-Rapp, S., Jung, G. (1990) Appl. Microbiol. Biotechnol. 32, 505-510 20 Desferrioxamine X2 Erwinia amylovora Meives, J., Fiedler, H-P., Zahner, H., Konetschny-Rapp, S., Jung, G. (1990) Appl. Microbiol. Biotechnol. 32, 505-510 21 Desferrioxamine X3 Erwinia amylovora Meives, J., Fiedler, H-P., Zahner, H., Konetschny-Rapp, S., Jung, G. (1990) Appl. Microbiol. Biotechnol. 32, 505-510 22 Desferrioxamine X4 Erwinia amylovora Meives, J., Fiedler, H-P., Zahner, H., Konetschny-Rapp, S., Jung, G. (1990) Appl. Microbiol. Biotechnol. 32, 505-510 23A Desferrioxamine Et1 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 23B Desferrioxamine Et2 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 23C Desferrioxamine Et3 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 23D Desferrioxamine Te1 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 85 23E Desferrioxamine Te2 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 23F Desferrioxamine Te3 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 24 Desferrioxamine P1 Streptomyces olivaceus Fiedler, H-P., Meiwes, J., Werner, I., Konetschny-Rapp, S., Jung, G. (1990) J. Chromat. 513, 255-262 25 Ferrichrome Aspergillus,Penicillium, Ustilago sp Emery, T., Neilands J. B. (1961) J. Amer. Chem. Soc. 83, 1626-1628 26 Ferrichrome C Aspergillus, Cryptococcus, Neurospora sp Llinas, M., Neilands J. B. (1976) Biophys. Struct. Mech. 2, 105-117 27 Ferricrocin Aspergillus, Neurospora sp Keller-Schierlein, W., Deẻr, A. (1963) Helv. Chim. Acta 46, 1907-1920 28 Sake Colorant A Aspergillus sp Llinas, M., Neilands J. B. (1976) Biophys. Struct. Mech. 2, 105-117 29 Ferrichrysin Aspergillus sp Tadenuma, M., Sato, S., (1967) Agr. Biol. Chem. 31, 1482-1489 30 Ferrichrome A Ustilago sp Garibaldi, J. A., Neilands J. B. (1955) J. Amer. Chem. Soc. 77, 2429-2430 31 Ferrirubin Penicillium sp Keller-Schierlein, W. (1963) 46, 1920-1929 32 Ferrirhodin Aspergillus sp Keller-Schierlein, W. (1963) 46, 1920-1929 33 Malonichrome Fusarium sp Emery, T. (1980) Biochim. Biophys. Acta 629, 382-390 34 Asperchrome A Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 35 Asperchrome B1 Aspergillus ochraceous J Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 86 36 Asperchrome B2 Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 37 Asperchrome B3 Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 38 Asperchrome C Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 39 Asperchrome D1 Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 40 Asperchrome D2 Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 41 Asperchrome D3 Aspergillus ochraceous Jalal M. A. F., Mocharla, R., Barnes, C. L., Hossain, M. B., Powell, D. R., Eng-Wilmot, D. L., Grayson, S. L., Benson, B. A., van der Helm, D. (1984) J. Bacteriol. 158, 683-688 42 Asperchrome E Aspergillus ochraceous Jalal, M. A. F., Mocharla, R., van der Helm, D. (1984) J. Chromat. 301, 247-252 43 Asperchrome F1 Aspergillus sp Holinsworth, B., Martin, J. D. (2009) Biometals. 22, 625-632 44 Asperchrome F2 Aspergillus sp Holinsworth, B., Martin, J. D. (2009) Biometals. 22, 625-632 45 Asperchrome F3 Aspergillus sp Holinsworth, B., Martin, J. D. (2009) Biometals. 22, 625-632 46 Tetraglycine ferrichrome Neovossia indica Deml, G., Voges, K., Jung, G., Winkelmann, G. (1984) FEBS. Letts. 173, 53-57 47 Des(diserylglycyl)ferrirhodin Aspergillus ochraceus Jalal, M. A. F., Galles, J. L., van der Helm, D. (1985) J. Org. Chem. 50, 5642-5645 48 Basidiochrome Ceratobasidium, Rhizoctonia sp Haselwandter, K., Passler, V., Reiter, S., Schmid, D. G., Nicholson, G., Hentschel, P., Albert, K., Winkelmann, G. (2006) Biometals. 19, 335-343 49 Triacetylfusarine Penicillium sp Moore, R. E., Emery, T. (1976) Biochem. 15, 2719-2723 87 50 Fusarinine C Fusarium sp Diekmann, H., Zähner, H. (1967) Eur. J. Biochem. 3, 213-218 51 Fusarinine B Fusarium sp Sayer, J. M., Emery, T. (1968) Biochem. 7, 184-188 52 Neurosporin Neurospora crassa Eng-Wilmot, D. L., Rahman, A., Mendenhall, J. V., Grayson, S. L., van der Helm, D. (1984) J. Amer. Chem. Soc. 106, 1285-1290 53 Coprogen Neurospora, Penicillium sp Pidacks, C., Whitehill, A. R., Pruess, L. M., Hesseltine, C. W., Hutchings, B. L., Bohonos, N., Williams, J. H. (1953) J. Amer. Chem. Soc. 75, 6064-6065 54 Coprogen B (Desacetylcoprogen) Fusarium, Neurospora sp Diekmann, H. (1970) Arch. Mikrobiol 73, 65-76 55 Triornicin (Isoneocoprogen I) Epicoccum purpurascens Frederick, C. B., Bently, M. D., Shire, W. (1981) Biochem. 20, 2436-2438 56 Isotriornicin (Neocoprogen I) Epicoccum purpurascens Frederick, C. B., Bently, M. D., Shire, W. (1982) Biochem. Biophys. Res. Comm. 105, 133-138 57 Neocoprogen II Curvularia sp Hossain, M. B., Jalal, M. A. F., Benson, B. A., Barnes, C. L., van der Helm, D. (1987) J. Amer. Chem. Soc. 109, 4948-4954 58 Dimethylcoprogen Alternaria, Fusarium sp Jalal, M. A. F., Love, S. K., van der Helm, D. (1988) Biometals, 1, 4-8 59 Dimethylneocoprogen I Alternaria longipes Jalal, M. A. F., Love, S. K., van der Helm, D. (1988) Biometals, 1, 4-8 60 Dimethyltriornicin Alternaria longipes Jalal, M. A. F., Love, S. K., van der Helm, D. (1988) Biometals, 1, 4-8 61 Hydroxycopropen Neurospora sp Hollinswood, B., Martin, J. D. (2009) Biometals. 22, 625-632 62 Hydroxy-neocoprogen I Neurospora sp Hollinswood, B., Martin, J. D. (2009) Biometals. 22, 625-632 63 Hydroxyisoneocoprogen I Neurospora sp Hollinswood, B., Martin, J. D. (2009) Biometals. 22, 625-632 64 Palmitoylcoprogen Neurospora sp Hollinswood, B., Martin, J. D. (2009) Biometals. 22, 625-632 88 65 Amphibactin B Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 66 Amphibactin C Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 67 Amphibactin D Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 68 Amphibactin E Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 69 Amphibactin F Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 70 Amphibactin G Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 71 Amphibactin H Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 72 Amphibactin I Vibrio sp Martinez, J. S., Carter-Franklin, J. N., Mann, E. L., Martin, J. D., Haygood, M. G., Butler, A. (2003) Proc. Natl. Acad. Sci. (USA) 100, 3754-3759 73 Amphibactin S Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 74 Amphibactin T Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 75 Moanachelins gly-B Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 76 Moanachelins ala-B Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 77 Moanachelins gly-D Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 89 78 Moanachelins ala-D Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 79 Moanachelins gly-E Kem, M. P., Zane, H. K., Springer, S. D., Gauglitz, J. M. and Butler, A. (2014) Metallomics 6, 1150-1155. 80 Ferrocin A Pseudomonas fluorescens Katayama, N., Nozaki, Y., Okonogi, K., Harada, S., Ono, H. (1993) J. Antibiot. 46, 65-70 81 Coelichelin Streptomyces aizunensis Lautru, S., Deeth, R. J., Bailey, L. M., Challis, G. L. (2005) Nat. Chem. Biol. 1, 265-269 82 Exochelin MS Mycobacterium smegmatis Sharman, G. J., Williams, D. H., Ewing, D. F., Ratledge, C. (1995) Biochem. J. 305, 187-196 83 Vicibactin Rhizobium leguminosarum Dilworth, M. J., Carson, K. C., Giles, R. G. F., Byrne, L. T., Glenn, A. R. (1998) Microbiology. 144, 781-791 84 Enterobactin (Enterochelin) Klebisella, sp, Enterobacter, Erwinia sp Pollock, J. R., Neilands, J. B. (1970) Biochem. Biophys. Res. Comm. 38, 989-992 O Brian, G., Gibson, F. (1970) Biochim. Biophys. Acta 215, 393-402 85 Agrobactin Agrobacterium sp Peterson, T., Falk, K. E., Leong, S. A., Klein, M. P., Neilands, J. B. (1980) J. Amer. Chem. Soc. 102, 7715-7718 86 Parabactin Paracoccus denitrificans Peterson, T., Falk, K. E., Leong, S. A., Klein, M. P., Neilands, J. B. (1980) J. Amer. Chem. Soc. 102, 7715-7718 87 Fluvibactin Vibrio fluvialis Yamamoto, S., Okujo, N., Fujita, Y., Saito, M., Yoshida, T., Shinoda, S. (1993) J. Biochem (Tokyo). 113, 538-544 88 Agrobactin A Agrobacterium tumefaciens Peterson, T., Falk, K. E., Leong, S. A., Klein, M. P., Neilands, J. B. (1980) J. Amer. Chem. Soc. 102, 7715-7718 89 Parabactin A Paracoccus denitrificans Tait, G. H. (1975) Biochem. J. 146, 191-204 90 Vibriobactin Vibrio cholerae Griffiths, G. L., Sigel, S. 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D. (2004) Biometals. 17, 471-481 97 Monoglucosylated Enterobactin (MGE) Synthetic Origin Zheng, T., Bullock, J. L., Nolan, E. M. (2012) J. Am. Chem. Soc. 134, 18388-18400. 98 Amphi-enterobactin Vibrio harveyi Zane, H. K., Naka, H., Rosconi, F., Sandy, M., Haygood, M. G. (2014) J. Am. Chem. Soc. 136, 5615-5618. 99 Amphi-enterobactin C12-OH Vibrio harveyi Zane, H. K., Naka, H., Rosconi, F., Sandy, M., Haygood, M. G. (2014) J. Am. Chem. Soc. 136, 5615-5618. 100 Rhizoferrin Zygomycetes sp Thieken, A., Winkelmann, G. (1992) FEMS. Microbiol. Lett. 94, 37-42 100A -100E Rhizoferrin analogues Cunninghamella elegans Drechsel, H., Tschierske, M., Thieken, A., Jung, G., Zähner, H., Winkelmann, G. (1995) J. Industr. Microbiol. 14, 105-112 101 Enantio Rhizoferrin Ralstonia pickettii Münzinger, M., Taraz, K., Budzikiewicz, H., Drechsel, H., Heymann, P., Winkelmann, G., Meyer, J-M. (1999) Biometals. 12, 189-193 102 Staphyloferrin A Staphylococcus aureus Meiwes, J., Fiedler, H-P., Haag, H., Zähner, H., Konetschny-Rapp, S., Jung, G. (1990) FEMS. Microbiol. Lett. 67, 201-206 103 Vibrioferrin Vibrio parahaemolyticus Yamamoto, S., Okujo, N., Yoshida, T., Matsuura, S., Shinoda, S. (1994) J. Biochem(Tokyo). 115, 868-874 104 Achromobactin Pectobacterium sp Schmelz, S., Kadi, N., McMahon, S. A., Song, L., Oves-Costales, D., Oke, M., Liu, H., Johnson, 91 K. A., Carter, L. G., Botting, C. H., White, M. F., Challis, G. L., Naismith, J. H. (2009) Nat. Chem. Biol. 5, 174-182 105 Mycobactin P Mycobacterium phlei Snow, G. A. (1954) J. Chem. Soc. 2588-2596; 4080-4093 106 Mycobactin A Mycobacterium aurum Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 107 Mycobactin F Mycobacterium fortuitum Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 108 Mycobactin H Mycobacterium thermoresistible Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 109 Mycobactin M Mycobacterium marinum Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 110 Mycobactin N Mycobacterium marinum Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 111 Mycobactin R Mycobacterium terrae Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 112 Mycobactin S Mycobacterium smegmatis Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 113 Mycobactin T Mycobacterium tuberculosis Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 114 Mycobactin Av Mycobacterium avium Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 115 Mycobactin NA (Nocobactin) Nocardia asteroides Snow, G. A. (1970) Bacterial Rev. 34, 99-125 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 116 Mycobactin J Mycobacterium paratuberculosis Luo, M., Fadeev, E. A., Groves, J. T. (2005) Nat. New. Biol. 1, 149-153 117 Formobactin Nocardia sp Snow, G. A. (1970) Bacterial Rev. 34, 99-125 92 Barclay, R., Ewing, D. F., Ratledge, C. (1985) J. Bacteriol. 164, 896-903 118 Carboxymycobactin Mycobacterium smegmatis Lane, S. J., Marshall, P. S., Upton, R. J., Ratledge, C. (1998) Biometals. 11, 13-20 119 Carboxymycobactin 1 Mycobacterium avium Lane, S. J., Marshall, P. S., Upton, R. J., Ratledge, C., Ewing, M. (1995) Tetrahedron. Letts. 36, 4129-4132 Wong, D. K., Gobin, J., Horwitz, M. A., Gibson, B. W. (1996) J. Bacteriol. 178, 6394-6398. 120 Carboxymycobactin 2 Mycobacterium avium Lane, S. J., Marshall, P. S., Upton, R. J., Ratledge, C., Ewing, M. (1995) Tetrahedron. Letts. 36, 4129-4132 121 Carboxymycobactin 3 Mycobacterium avium Lane, S. J., Marshall, P. S., Upton, R. J., Ratledge, C., Ewing, M. (1995) Tetrahedron. Letts. 36, 4129-4132 122 Carboxymycobactin 4 Mycobacterium avium Lane, S. J., Marshall, P. S., Upton, R. J., Ratledge, C., Ewing, M. (1995) Tetrahedron. Letts. 36, 4129-4132 123 Pyoverdin 6.1 (Pseudobactin) Pseudomonas sp Teintze, M., Houssain, M. B., Barnes, C. L., Leong, J., van der Helm, D. (1981) Biochem. 20, 6446-6457 124 Pyoverdin 6.2 Pseudomonas putida Meyer, J-M., Gruffaz, C., Raharinosy, V., Bezverbnaya, I., Schäfer, M., Budzikiewicz, H. (2008) Biometals. 21, 259-271 125 Pyoverdin 6.3 (Pyoverdin Thai) Pseudomonas putida Ruangviriyachai, C., Uria-Fernandez, D., Schäfer, M., Budzikiewicz, H. (2004) Spectroscopy. 18, 453-458 126 Pyoverdin 6.4 (Pyoverdin 9AW) Pseudomonas fluorescens Budzikiewicz, H., Kilz, S., Taraz, K., Meyer, J-M. (1997) Z. Naturforsch. 52c, 721-728 127 Pyoverdin 6.5 Pseudomonas aeruginosa Ruangviriyachai, C., Fernandez, D. U., Fuchs, R., Meyer, J-M. (2001) Z. Naturforsch. 56c, 933-938 128 Pyoverdin 6.6 Pseudomonas fluorescens Barelmann, I., Taraz, K., Budzikiewicz, H., Geoffroy, V. A., Meyer, J-M. (2002) Z. Naturforsch 57c, 9-16 129 Isopyoverdin 6.7 (Isopyoverdin BTP1) Pseudomonas putida Jacques, P., Ongena, M., Gwose, I., Seinsche, D., Schroder, H., Delfosse, P., Thonard, P., Taraz, K., Budzikiewicz, H. (1995) Z. Naturforsch. 50c, 622-629 93 130 Pyoverdin 6.8 Pseudomonas sp Budzikiewicz, H., Schäfer, M., Fernandez, D. U., Meyer, J-M. (2006) Z. Naturforsch. 61c,815-820 131 Pyoverdin 7.1 Pseudomonas fluorescens Budzikiewicz, H., Schroder, H., Taraz, K. (1992) Z. Naturforsch. 47c, 26-32 132 Pyoverdin 7.2 (Pyoverdin BTP2) Pseudomonas fluorescens Ongena, M., Jacques, P., Thonart, P., Gwose, I., Fernandez, D. U., Schäfer, M., Budzikiewicz, H. (2001) Tetrahedron Letts. 42, 5849-5851 133 Pyoverdin 7.3 (Pyoverdin G + R) Pseudomonas putida Salah-el-Din, A. L. M., Kyslic, P., Stephan, D., Abdallah, M. A. (1997) Tetrahedron 53, 12539-12552 134 Pyoverdin 7.4 (Pyoverdin PVD) Pseudomonas sp Vossen, W., Taraz, K. (1999) Biometals. 12, 323-329 135 Pyoverdin 7.5 (Pyoverdin TII) Pseudomonas aeruginosa Tappe, R., Taraz, K., Budzikiewicz, H., Meyer, J-M., Lefevre, J. F. (1993) J. Prakt. Chem. 335, 83-87 136 Pyoverdin 7.6 Pseudomonas libanensis Meyer, J-M., Gruffaz, C., Raharinosy, V., Bezverbnaya, I., Schäfer, M., Budzikiewicz, H. (2008) Biometals. 21, 259-271 137 Pyoverdin 7.7 Pseudomonas cichorii Bultreys, A., Gheyse, I., Wathelet, B., Schafer, M., Budzikiewicz, H. (2004) Z. 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