Sequence Identity Percent Range
% of structures
PSI1
PSI2
PDB excluding PSI1 and PSI2
0-10
55
66
3
10-20
6
6
1
20-30
10
9
4
30-40
7
3
3
40-50
4
2
2
50-60
3
1
2
60-70
0
1
2
70-80
1
0
1
80-90
0
1
2
90-95
2
1
15
95-100
12
10
55