a
16000
number of profiles in similar pairs distribution (thr = 0.7)
b
16000
14000
14000
12000
12000
10000
10000
8000
8000
6000
6000
4000
4000
2000
2000
0
0
1
2
3
4
5
6
7
8
9
10
0
fraction of profiles in similar pairs distribution (thr = 0.7)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1