In Vitro Transcription and RNA Research Contents T7, T3, and SP6 RNA Polymerases.................................................. 2 E. coli RNA Polymerases (Core and Holoenzyme).................... 2 T7 R&DNA™ Polymerase.................................................................... 3 NTPs.......................................................................................................... 3 AmpliScribe™ T7-Flash™ Transcription Kit.................................. 4 AmpliScribe™ T7, T3, and SP6 High Yield Transcription Kits.............................................................................. 4 AmpliScribe™ T7-Flash™ Biotin-RNA Transcription Kit........... 5 AmpliScribe™ T7 Aminoallyl-RNA Transcription Kit................ 5 AmpliCap™ High Yield Message Maker Kits............................... 6 Cap Analogs.......................................................................................... 6 Poly(A) Polymerase Tailing Kit......................................................... 7 DuraScribe® T7 & SP6 Transcription Kits...................................... 8 ScriptGuard™ RNase Inhibitor......................................................... 9 Thermostable RNA Ligase................................................................ 9 Tobacco Acid Pyrophosphatase...................................................10 RNA 5’ Polyphosphatase.................................................................10 RiboShredder™ RNase Blend.........................................................11 E. coli RNase H.....................................................................................11 Terminator™ 5’-Phosphate-Dependent Exonuclease..........12 MonsterScript™ Reverse Transcriptase......................................13 MonsterScript™ 1st-Strand cDNA Synthesis Kit.....................13 CircLigase™ II ssDNA Ligase...........................................................14 RNA Amplification Kits....................................................................15 RNA Polymerases T7, T3, and SP6 RNA Polymerases The best value in phage RNA polymerases. • High purity, promoter specificity, and activity. • Free of detectable DNase and RNase activities. • Function-tested in in vitro transcription reactions. All RNA Polymerases are available in bulk. T7 and T3 RNA Polymerases are also available at concentrations up to 2,500 Units/µl. Please contact EPICENTRE for custom orders. Cat. # Concentration Quantity T7 RNA Polymerase T7905K 50 U/µl 5,000 Units T7950K 50 U/µl 50,000 Units TM910K 200 U/µl 10,000 Units (Enzyme only. Transcription Buffer not included.) T3 RNA Polymerase T4905K T9050K 50 U/µl 50 U/µl 5,000 Units 50,000 Units (Enzyme only. Transcription Buffer not included.) SP6 RNA Polymerase S4905K 50 U/µl 5,000 Units S4950K 50 U/µl 50,000 Units SM910K 200 U/µl 10,000 Units (Enzyme only. Transcription Buffer not included.) Transcription Buffer Package BP1001 1 Pkg Includes 5 ml of 5X Transcription Buffer and 2.5 ml of 100 mM DTT. E. coli RNA Polymerases (Core and Holoenzyme) EPICENTRE is the only commercial source for both: • Purified Core Enzyme that has no detectable sigma subunit by gel electrophoresis. • Purified Holoenzyme that is 100% sigma-saturated for efficient transcription of DNA templates containing promoters. Perform rapid, high throughput screening of bacterial RNA polymerases and inhibitors using the Kool™ NC-45 RNAP Activity and Inhibitor Screening Kit. Visit www.EpiBio.com for details. Figure 1. Subunit patterns of E. coli RNA Polymerase Core Enzyme and Holoenzyme preparations. Equivalent amounts of each enzyme were separated by electrophoresis on an SDS 15% polyacrylamide gel, stained with Coomassie® Blue, and dried. The sigma-70 subunit is 100% saturating in the Holoenzyme, but is below detectable limits in the Core Enzyme. Cat. # Quantity E. coli RNA Polymerase Core Enzyme C90100 C90500 100 Units 500 Units Sigma-Saturated E. coli RNA Polymerase Holoenzyme S90050 50 Units S90250 250 Units 2 Holo Core – β′, β –σ –α –ω www.EpiBio.com RNA Polymerases and NTPs T7 R&DNA™ Polymerase T7 R&DNA™ Polymerase is a mutant form of the wild-type T7 RNA Polymerase that: • Readily incorporates 2′-dNTPs and other 2′-modified-dNTPs, as well as canonical NTPs. • Produces “RNA” of mixed rNMP/2′-dNMP or rNMP/2′-modified-NMP composition. • Produces modified “RNA” transcripts that are resistant to RNase A and related RNases. • Uses the same transcription promoters as the wild-type T7 RNA polymerases. The DuraScribe® T7 Transcription Kit for making 2′-fluorine-modified RNA that is completely resistant to RNase A is also available (see p. 8). Cat. # Concentration Quantity T7 R&DNA™ Polymerase D7P9201K 50 U/µl D7P9205K 50 U/µl Includes 5X Reaction Buffer, DTT. 1,000 Units 5,000 Units NTPs EPICENTRE’s NTPs are supplied as sterile, neutral aqueous solutions. Cat. # Concentration Quantity ATP R109AT RA02825 10 mM 100 mM 5 µmol 25 µmol CTP R109CT RC02825 10 mM 100 mM 5 µmol 25 µmol GTP R109GT RG02825 10 mM 100 mM 5 µmol 25 µmol UTP R109UT RU02825 10 mM 100 mM 5 µmol 25 µmol One Premixed Solution of all 4 NTPs R344NT 2.5 mM each 5 µmol each (Premix in one tube contains ATP, CTP, GTP & UTP) One Tube of each NTP (ATP, CTP, GTP, UTP) RN02825 100 mM each 25 µmol each (Not premixed) [email protected] 2′-Fluorine-dCTP (2′-F-dCTP) R2F110C 50 mM 1 µmol 2′-Fluorine-dUTP (2′-F-dUTP) R2F110U 50 mM 1 µmol Aminoallyl-UTP AAU5202 50 mM 2.5 µmol Biotin-16-UTP BU6105H 50 mM 500 nmol 3 In Vitro Transcription Kits AmpliScribe™ T7-Flash™ Transcription Kit AmpliScribe™ T7-Flash™ Transcription Kit reactions: • Are rapid (30-minute) reactions that produce more RNA than other kits produce in 2 hours. • Transcribe 180 µg of RNA from 1 µg of DNA template. • Produce high yields of RNA from both long and short DNA templates. • Generate high yields of RNA even from limiting amounts of DNA template. Table 1. An AmpliScribe™ T7-Flash™ reaction produces high yields of RNA from both long and short DNA templates, including linearized plasmids, PCR products, and oligodeoxynucleotides. RNA Transcript Size 26 bases 96 bases 335 bases 1.4 kb 6 kb RNA Yield (µg) 12 36 76 176 187 Figure 1. An AmpliScribe™ T7-Flash™ transcription reaction is complete in 30 minutes and yields more RNA than other 2-hour "high-yield" transcription reactions. Yields shown were obtained using 1 µg of a linear DNA template in a 20-µl reaction, producing a 1.4-kb RNA. AmpliScribe™ T7-Flash™ Kit Another High-Yield Kit 200 150 100 50 0 c910411 RNA Yield (µg) RNA Yield (pmol) 1,319 1,071 648 359 89 30 60 90 120 Minutes Cat. # Quantity AmpliScribe™ T7-Flash™ Transcription Kit ASF3257 25 Reactions ASF3507 50 Reactions Contents: AmpliScribe™ T7-Flash™ Enzyme Solution (with added RNase Inhibitor), AmpliScribe™ T7-Flash™ 10X Reaction Buffer, 100-mM ATP, CTP, GTP and UTP Solutions, RNase-Free Water, RNase-Free DNase I, DTT, Control DNA Template (linearized). AmpliScribe™ T7, T3, and SP6 High Yield Transcription Kits • Produce up to 150 µg of RNA in a 2-hour reaction. Cat. # Quantity AmpliScribe™ T7 High Yield Transcription Kit AS2607 25 Reactions AS3107 50 Reactions AmpliScribe™ T3 High Yield Transcription Kit AS3103 50 Reactions AmpliScribe™ SP6 High Yield Transcription Kit AS3106 50 Reactions Contents: AmpliScribe™ T7, T3, or SP6 Enzyme Solution (with added RNase inhibitor), 100-mM ATP, CTP, GTP, and UTP Solutions, AmpliScribe™ 10X Reaction Buffer, RNase-Free Water, RNase-Free DNase I, DTT, Control Template DNA (linearized). 4 www.EpiBio.com In Vitro Transcription Kits AmpliScribe™ T7-Flash™ Biotin-RNA Transcription Kit The AmpliScribe™ T7-Flash™ Biotin-RNA Transcription Kit enables high-yield synthesis of biotin-RNA or biotin-antisense RNA (aRNA, also called cRNA) for use as microarray target or as probe for in situ or blotting experiments. • The kit uses EPICENTRE’s AmpliScribe T7-Flash rapid, high-yield in vitro transcription technology to generate the highest possible yield of biotin-RNA. • Reaction conditions are optimized to yield uniformly labeled biotin-RNA for high signal intensity. Table 1. Yield of Biotin-RNA from varying amounts of a 1.3-kb control template DNA from an AmpliScribe™ T7-Flash™ Biotin-RNA Transcription Kit reaction. Input DNA Template Biotin-RNA Yield (1-hour Reaction) Biotin-RNA Yield (4-hour Reaction) 50 ng 15-25 µg 60-70 µg 500 ng 140-150 µg >180 µg >180 µg >180 µg 1 µg Cat. # Quantity AmpliScribe™ T7-Flash™ Biotin-RNA Transcription Kit ASB71110 10 Reactions Contents: AmpliScribe™ T7-Flash™ Enzyme Solution, ScriptGuard™ RNase Inhibitor, AmpliScribe™ T7-Flash™ 10X Reaction Buffer, NTP/ Biotin-UTP PreMix (ATP, CTP, GTP, UTP, and Biotin-16-UTP) Solution, RNase-Free Water, RNase-Free DNase I, DTT, Control DNA Template (linearized). AmpliScribe™ T7 Aminoallyl-RNA Transcription Kit The AmpliScribe™ T7 Aminoallyl-RNA Transcription Kit incorporates Aminoallyl-UTP into RNA transcripts to generate high yields of aminoallyl-RNA (AA-RNA). The AA-RNA produced can be subsequently labeled and used as microarray target or as probe for in situ hybridization or blotting experiments. 200 50 ng 100 ng 500 ng 1 µg 150 100 50 0 30 min 1 hr c110501 RNA Yield (µg) • High yields of Aminoallyl-RNA (over 150 µg of RNA from 1 µg of DNA template). • Reaction conditions are optimized to yield uniformly labeled aminoallyl-RNA for high signal intensity following dye or biotin conjugation. • Less expensive than direct incorporation of fluorescent- or biotin-labeled NTP. Table 1. The AmpliScribe™ T7 AminoallylRNA Transcription Kit produces high yields of aminoallyl-RNA even from limiting amounts of DNA template. 2 hr Reaction Time Cat. # Concentration Quantity AmpliScribe™ T7 Aminoallyl-RNA Transcription Kit AA50125 25 Reactions Contents: AmpliScribe™ T7 Aminoallyl-RNA Enzyme Solution (with added RNase Inhibitor), AmpliScribe™ T7 Aminoallyl-RNA 10X Reaction Buffer, ATP, CTP, GTP, UTP and Aminoallyl-UTP Solutions, RNase-Free Water, RNase-Free DNase I, DTT, Control DNA Template (linearized). Biotin-X-X-NHS BXX51005 BXX51010 [email protected] 2.5 mg/Vial 2.5 mg/Vial 5 Vials 10 Vials 5 In Vitro Transcription Kits AmpliCap™ High Yield Message Maker Kits The AmpliCap-Max™ and AmpliCap™ Kits are formulated to produce exceptionally high yields of 5′-capped RNA for use in in vitro translation, microinjection, and mRNA processing studies. • Kits incorporate m7GpppG cap analog at the 5′ end of the transcribed RNA. • AmpliCap-Max™ T7 & T3 Kit reactions yield up to 60 µg of RNA from 1 µg of template. • Capping efficiencies of up to 80%. • Optimized m7GpppG/NTP PreMix is provided. • AmpliCap-Max™ T7 and T3 Kit reactions are complete in 30 minutes. RNA Yield (µg) Figure 1. Thirty-minute AmpliCapMax™ T7 and T3 reactions each yield ~60 µg of 5’-capped RNA using the respective control templates. AmpliCap-Max™ T7 Cat. # AmpliCap-Max™ T3 Quantity AmpliCap-Max™ T7 High Yield Message Maker Kit ACM04037 25 Reactions AmpliCap-Max™ T3 High Yield Message Maker Kit ACM04033 25 Reactions Contents: AmpliCap-Max™ T7 or T3 Enzyme Solution (with added RNase Inhibitor), AmpliCap-Max™ Cap/NTP PreMix, 20 mM GTP, AmpliCap-Max™ 10X Transcription Buffer, RNase-Free Water, RNaseFree DNase I, DTT, Control Template DNA (linearized). AmpliCap™ SP6 High Yield Message Maker Kit AC0706 25 Reactions Contents: AmpliCap™ SP6 Enzyme Solution (with added RNase Inhibitor), AmpliCap™ 10X Transcription Buffer, AmpliCap™ Cap/NTP PreMix, 20 mM GTP, RNase-Free DNase I, DTT, RNase-Free Water, Control Template DNA (linearized). Cap Analogs Each Cap Analog is: • Function tested as a substrate for capping an RNA transcript synthesized in an in vitro transcription reaction. • Provided as a 20-mM solution. Cat. # Quantity Standard Cap Analog, m G[5′]ppp[5′]G Solution C61025 1,250 nmol 7 Unmethylated Cap Analog, G[5′]ppp[5′]G Solution C32010 500 nmol Trimethylated Cap Analog, m32,2,7G[5′]ppp[5′]G Solution C06005 250 nmol 6 www.EpiBio.com In Vitro Transcription Kits Poly(A) Polymerase Tailing Kit EPICENTRE’s Poly(A) Polymerase is a cloned enzyme that uses ATP for template-independent addition of adenosine nucleotides to the 3′-hydroxyl terminus of RNA molecules. 5’ N—OH 3’ + ATP ➞ 5’ N—AAAA(n) 3’ RNA Poly(A) Polymerase 3’-poly(A) tailed RNA Add a 3′-poly(A) tail to your RNA to: • Increase the stability and enhance the translation of an RNA. • Provide an oligo(dT) priming site to poly(A)− RNAs, such as miRNA or bacterial RNAs. • 3′-end label RNA or miRNA. Poly(A) tailing (Minutes) RNA kb MW 0′ 10′ 30′ 60′ 3.0 2.5 2.0 1.5 1.0 Figure 1. Poly(A) tailing of RNA with the Poly(A) Polymerase Tailing Kit. The entire final product of an AmpliCap-Max™ in vitro transcription capping reaction (60 µg of a 1,760-base luciferase RNA) was treated with 8 units of Poly(A) Polymerase for the indicated times. For each sample, 0.1-µg aliquots were analyzed on a 1% agarose-formaldehyde gel. Cat. # Quantity Poly(A) Polymerase Tailing Kit PAP5104H 50 Reactions (400 Units) Contents: Poly(A) Polymerase, 10X Reaction Buffer, 10 mM ATP, Sterile RNase-Free Water. [email protected] 7 In Vitro Transcription Kits DuraScribe® T7 & SP6 Transcription Kits The DuraScribe® T7 and SP6 Transcription Kits* produce 2′-Fluorine-modified RNA transcripts— called DuraScript® RNA—that are completely resistant to RNase A. DuraScribe T7 and SP6 RNA Polymerases are mutant forms of T7 and SP6 RNA Polymerases that efficiently incorporate 2′-Fluorine-dCTP (2′-F-dCTP) and 2′-Fluorine-dUTP (2′-F-dUTP), as well as ATP and GTP into full-length transcripts. They use the same promoters as wild-type T7 and SP6 RNA polymerases. The presence of the 2′-F-dC and 2′-F-dU nucleotides render DuraScript RNA completely resistant to RNase A and related ribonucleases. A standard DuraScribe T7 reaction produces about 50 µg of DuraScript RNA. Use DuraScript RNA for: • RNAi, ribozyme, and antisense RNA studies. • In situ hybridization. • Ribonuclease protection assays. DuraScript® RNA Yield (µg) *Covered by issued and/or pending patents. See www.EpiBio.com/legal. 80 Figure 1. Yield of RNA from a DuraScribe® T7 Transcription reaction. A standard reaction (4-6 hours) produced 40-60 µg of a 1.4-kb DuraScript® RNA. 60 40 20 0 2 hours 4 hours 6 hours Incubation Time M 1 2 3 4 Figure 2. DuraScript® RNA is resistant to RNase A digestion. A 1.4-kb standard RNA transcript and a 1.4-kb DuraScript RNA transcript were each incubated with 1 U of highly purified RNase A for 30 minutes. The standard RNA transcript was completely degraded while the DuraScript RNA transcript remained intact. Lane M, Size ladder; lane 1, 1.4-kb standard RNA transcript; lane 2, standard RNA after RNase A treatment; lane 3, 1.4-kb DuraScript RNA; lane 4, DuraScript RNA after RNase A treatment. Cat. # Quantity DuraScribe® T7 Transcription Kit DS010910 DS010925 10 Reactions 25 Reactions DuraScribe® SP6 Transcription Kit DS041010 10 Reactions Contents: DuraScribe® Enzyme Mix, DuraScribe® 10X Reaction Buffer, ATP, GTP, 2′-F-dCTP, 2′-F-dUTP, DNase I, DTT, Control Template DNA (linearized), RNase-Free Water. 8 www.EpiBio.com RNASE Inhibitor and RNA Modifying Enzymes ScriptGuard™ RNase Inhibitor EPICENTRE’s recombinant ScriptGuard™ RNase Inhibitor provides reliable protection for valuable RNA samples by binding strongly to RNase A–type ribonucleases in a 1:1 ratio. • A potent affinity for RNases (Ki >10-14 M) ensures rapid inhibition even when trace amounts of RNase are present. • Free of detectable RNase or DNase activity, and mammalian DNA. • Does not interfere with enzymes commonly used to prepare or analyze RNA. • Less sensitive to oxidation than traditional RNase inhibitors. Cat. # Quantity ScriptGuard™ RNase Inhibitor SRI6325 SRI6310K 2,500 Units 10,000 Units Thermostable RNA Ligase Thermostable RNA Ligase catalyzes the intra- and intermolecular ligation of single-stranded RNA (ssRNA) molecules that have a 5′-monophosphate and a 3′-hydroxyl end. The enzyme can be used for: • Ligation-tagging of 5′-monophosphorylated RNA. • Generating 5′-tagged RNA for RACE or other application. • Circularization of RNA molecules. Cat. # Concentration Thermostable RNA Ligase TRL8101K [email protected] Quantity 50 U/µl 1,000 Units T4 RNA Ligase is also available LR5010 5 U/µl LR5025 5 U/µl 1,000 Units 2,500 Units 9 RNA Modifying Enzymes Tobacco Acid Pyrophosphatase Tobacco Acid Pyrophosphatase (TAP) efficiently removes the cap structure present at the 5′ end of most eukaryotic mRNAs, viral RNAs, and small capped RNAs. The end-product of a TAP reaction is a 5′-phosphorylated RNA. TAP can be used to: • Prepare 5′-capped RNAs for 5′-ligation tagging reactions. • Prepare template for 5′-RACE. • Characterize the 5′-end structure of RNAs. OH GpppG Capped RNA TAP Treatment OH pG Decapped RNA Figure1. Tobacco Acid Pyrophosphatase removes the 5’-cap structure from eukaryotic mRNAs generating RNA Ligase a 5’-phosphorylated RNA. pG Cat. # Concentration Tobacco Acid Pyrophosphatase T81050 5 U/µl T19050 10 U/µl T19100 10 U/µl T19250 10 U/µl T19500 10 U/µl Includes 10X Reaction Buffer. Ligated RNA Quantity + pG 50 Units 50 Units 100 Units 250 Units 500 Units pG OH + Additional ligation products RNA 5’ Polyphosphatase RNA 5′ Polyphosphatase,* discovered and characterized by EPICENTRE scientists, sequentially removes the γ- and β-phosphates from 5′-triphosphorylated RNA (such as uncapped primary RNA transcripts): 5′ pppN—OH 3′ ➞ 5′ pN—OH 3′ + 2 Pi Unlike Tobacco Acid Pyrophosphatase, RNA 5′ Polyphosphatase has no activity on RNA with a 5′ cap (e.g., 5′ m7GpppN—OH 3′). RNA 5′ Polyphosphatase can be used to: • Prepare uncapped primary transcripts for 5′-ligation-tagging reactions. • Prepare template from uncapped primary transcripts for 5′-RACE. • Characterize the 5′ terminus of RNA molecules. *Covered by issued and/or pending patents. See www.EpiBio.com/legal. Cat. # Concentration RNA 5′ Polyphosphatase RP8092H Includes 10X Reaction Buffer. 10 20 U/µl Quantity 200 Units www.EpiBio.com Ribonucleases RiboShredder™ RNase Blend RiboShredder™ RNase Blend is a cocktail of potent, nonmammalian RNases that completely degrades RNA. • Complete removal of RNA from genomic DNA preparations. • Completely degrades RNA to mononucleotides. RiboShredder™ RNase Blend ➞ 1 2 3 4 5 6 M Figure 1. Comparison of RNAdegrading capability of RiboShredder™ RNase Blend versus commonly-used individual RNases or other RNase cocktails. Nucleic acids from a standard alkaline lysis plasmid preparation were treated as follows under standard reaction conditions: Lane 1, RNase A; lane 2, RNase I; lane 3, RNase T1, lane 4, RiboShredder RNase Blend; lane 5, RNase A/RNase T1 cocktail; lane 6, untreated alkaline lysis plasmid prep; lane M, supercoiled DNA ladder. Cat. # Concentration RiboShredder™ RNase Blend RS12100 RS12500 1 U/µl 1 U/µl Quantity 100 Units 500 Units E. coli RNase H E. coli RNase H specifically degrades the RNA in a DNA:RNA hybrid without affecting dsDNA, ssDNA, dsRNA, or unhybridized RNA. E. coli RNase H is commonly used to synthesize ds cDNA from RNA. Cat. # E. coli RNase H R52250 R0601K Concentration Quantity 10 U/µl 10 U/µl 250 Units 1,000 Units Additional RNases from EPICENTRE Hybridase™ Thermostable RNase H, RNase T1, RNase R, RNase A, RNase I (E. coli) and RNase III (E. coli). Please visit www.EpiBio.com for details. [email protected] 11 Ribonucleases Terminator™ 5’-Phosphate-Dependent Exonuclease Terminator™ Exonuclease is a 5′→3′ processive exonuclease that degrades RNAs with a 5′ monophosphate, such as large rRNAs. RNAs with a 5′-cap structure, such as eukaryotic mRNA, or a 5′ triphosphate, such as prokaryotic mRNAs, are resistant to Terminator Exonuclease digestion. • Selectively digests prokaryotic 16S and 23S rRNAs, and eukaryotic 18S and 28S rRNAs, in a total RNA preparation. • A simple 1-hour enzymatic reaction enriches for prokaryotic or eukaryotic mRNA without the need for columns, resins, or beads. • Not inhibited by commonly used RNase inhibitors. Terminator™ Exonuclease 1 Hour Large rRNA mRNA Figure 1. A 1-hour Terminator™ Exonuclease reaction digests the large rRNAs in a eukaryotic or prokaryotic total RNA sample, producing an enriched mRNA preparation. B A Figure 2. Normal rat kidney (NRK) total RNA before (A) and after (B) Terminator™ Exonuclease treatment. The Terminator Exonuclease-treated RNA was concentrated 10-fold. Cat. # Concentration Quantity Terminator™ 5′-Phosphate-Dependent Exonuclease TER51020 1 U/µl 20 Units (1 Unit enriches mRNA from up to 10 µg of total RNA) Includes Terminator™ Exonuclease 10X Reaction Buffer. 12 www.EpiBio.com cDNA Synthesis MonsterScript™ Reverse Transcriptase MonsterScript™ 1st-Strand cDNA Synthesis Kit • Capable of producing full-length cDNA greater than 15 kb. • Thermostable: retains high activity to >50°C. • Completely lacks RNase H activity (RNase H−). • Efficiently produces cDNA from picogram amounts of total RNA. • The MonsterScript™ 1st-Strand cDNA Synthesis Kit includes a convenient PreMix containing betaine* to reduce pausing and stops observed with other reverse transcriptase enzymes. *Covered by issued and/or pending patents. See www.EpiBio.com/legal. ~ 15.2 kb HGNEFp532 mRNA 5’ AAAAA . . . -3’ 1.3 kb PCR i470407ms A B kb 1.6— 1.0— Figure 1. MonsterScript™ Reverse Transcriptase produces full-length cDNA from mRNA greater than 15 kb. The ≈15.2-kb HGNEFp532 mRNA was reverse-transcribed from total HeLa RNA in a standard MonsterScript reaction. Two microliters of the reaction was used to PCR-amplify a 1.3-kb region within 68 bases of the 5′ end of the HGNEFp532 mRNA (A). Agarose gel electrophoresis of the 1.3-kb amplicon from the 5′ end of the mRNA demonstrates full-length cDNA synthesis (B). Cat. # Quantity MonsterScript™ Reverse Transcriptase MSTA5110 10 Reactions MSTA5124 24 Reactions Includes MonsterScript™ 5X Reaction Buffer. MonsterScript™ 1st-Strand cDNA Synthesis Kit MS040910 10 Reactions MS041050 50 Reactions Contents: MonsterScript™ Reverse Transcriptase (50 U/µl) with RNase Inhibitor, MonsterScript™ 5X cDNA PreMix (contains buffer, dNTPs, and betaine*), V3-Oligo(dT)21 Primer (10 µM), Random 9-mer Primers, RNase-Free Water. [email protected] 13 Related Products CircLigase™ II ssDNA Ligase CircLigase™ II ssDNA Ligase* is a thermostable enzyme that catalyzes circularization of singlestranded DNA (ssDNA) templates, including cDNA, having a 5′-phosphate and a 3′-hydroxyl group. The enzyme circularizes ssDNA molecules >15 bases, including cDNAs, without the need for oligo “bridges,” “splints” or T4 DNA Ligase. Under standard conditions, virtually no linear or circular concatamers are produced. CircLigase™ II ssDNA Ligase can be used for: • Production of ssDNA templates for rolling-circle replication or rolling-circle transcription experiments. • Production of ssDNA templates for RNA polymerase and RNA polymerase inhibitor assays. The enzyme offers the following benefits: • It circularizes ssDNA molecules >15 bases, including cDNAs, without the need for oligo bridges or splints. • Virtually no linear or circular concatamers are produced under standard reaction conditions. *Covered by issued and/or pending patents. See www.EpiBio.com/legal. 1 2 3 4 – circular bp 70 – 5′ - adenylated intermediate 50 – linear 40 – Exo I & III + + CircLigase™ II Ligase − + bp 12,216— 506— M Figure 1. CircLigase™ II ssDNA Ligase converts linear ssDNA into closedcircular ssDNA. A 71-base ssDNA oligo was converted to a circular DNA form in a reaction containing MnCl2 and CircLigase II ssDNA Ligase. Lane 1, DNA markers; lane 2, 71-base linear ssDNA oligo; lane 3, circularization proceeds through an adenylated intermediate; lane 4, closed-circular ssDNA reaction product. Figure 2. Preparation of a circular ssDNA library. 5′-end-tagged and fragmented T7 D111 genomic DNA was heat-denatured and then circularized by incubating in 33 mM Tris-acetate pH 7.6, 66 mM KOAc, 2.5 MnCl2, and 1 M betaine for 2 hours at 60°C in the presence or absence of 400 U of CircLigase™ II enzyme, as indicated. Reaction products were incubated with exonuclease I and exonuclease III to digest linear DNA prior to PCR amplification with primers complementary to each tag. Reaction products were visualized by SYBR® Gold staining. 220— Cat. # Concentration Quantity CircLigase™ II ssDNA Ligase CL9021K 100 U/µl CL9025K 100 U/µl 1,000 Units 5,000 Units 14 www.EpiBio.com Related Products RNA Amplification Kits TargetAmp™ RNA Amplification Kits for Expression Microarray Studies The TargetAmp™ RNA Amplification Kits are the most robust kits for producing labeled target aRNA (also called cRNA) from small samples for transcription profiling or expression microarray studies. Features include: • High yield/low input of RNA. • Fast reactions. • Linear RNA amplification process. • High-quality microarray results on Affymetrix® GeneChip®, Illumina® BeadArray and other commercial and spotted arrays. • Evaluation kit program is available. TargetAmp™ 1-Round RNA Amplification Kit reactions are single-tube reactions that can be completed in about 6 hours. The TargetAmp 1-Round Kit reactions produce microgram quantities of aRNA from 25 to 500 ng of input total RNA. TargetAmp™ 2-Round RNA Amplification Kits are the only RNA amplification kits that enable microarray studies from a single cell. The TargetAmp 2-Round Kit reactions produce microgram quantities of aRNA from 10 to 500 pg of input total RNA. MessageBOOSTER™ cDNA Synthesis Kits For Small-Sample RT-PCR Studies The MessageBOOSTER™ cDNA Synthesis Kits amplify the poly(A) RNA contained in a total RNA preparation and then convert the amplified RNA to cDNA that is ready for PCR or qPCR. • Reproducibly detect even low-abundance transcripts from as little as one cell. • Get hundreds of qRT-PCRs from as little as one cell. • Collect samples less often and archive valuable samples. • One-day reaction. • Linear RNA amplification process preserves the relative abundance of transcripts present in the sample. Three MessageBOOSTER Kits are available that enable the researcher to work with purified total RNA, compromised or partially degraded total RNA, or to perform a MessageBOOSTER cDNA synthesis reaction directly from a cultured-cell lysate without having to purify RNA. RiboMultiplier™ Sense-RNA Amplification Kit The RiboMultiplier™ Kit utilizes a unique terminal tagging process to produce high yields of amplified sense RNA (sRNA). • Produce micrograms of sense RNA from as little as 10 ng of input total RNA. • Sense RNA produced has excellent 3′/5′ ratio. • Sense RNA produced demonstrates excellent correlation on microarrays with MAQC TaqMan® data. Visit www.Epibio.com/RNA_Amp for additional information, and pricing for all RNA amplification kits. [email protected] 15 The eForum is now a monthly e-mail newsletter, with special offers exclusively for subscribers, in addition to product news and updates. To subscribe, go to: www.EpiBio.com/reply_card.asp Learn more, and save more, with the new EPICENTRE eForum! 726 Post Road Madison, WI 53713 USA
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