The database was updated on Sept. 14, 2021.
M = The number of crystal forms (CFs) that contain a common interface
seqid = The minimum pair-wise sequence identity in a cluster

Chain-based interface clusters

 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Entries 169777 23655 169777
#Entries with M>=2 113683 16325 118508
#Entries with M>=2,seqid<90 91098 13716 96594
#Entries with M>=5,seqid<90 77664 11786 82736
#Entries with M>=10,seqid<90 63368 9672 67758
#Entries with M>=20,seqid<90 45898 7496 49521
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 19872 7505 27377
#Clusters with M>=2,seqid<90 9401 2999 12400
#Clusters with M>=5,seqid<90 3331 1809 5140
#Clusters with M>=10,seqid<90 1397 1208 2605
#Clusters with M>=20,seqid<90 548 784 1332
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 15458 53863 69321
#Groups with M>=2 4964 5175 10139
#Groups with M>=2,seqid<90 2863 2274 5137
#Groups with M>=5,seqid<90 1561 1535 3096
#Groups with M>=10,seqid<90 786 1071 1857
#Groups with M>=20,seqid<90 352 725 1077
 

Domain-based interface clusters

 Same-PFAMDiff-PFAMTotal
#Entries 154872 60234 159336
#Entries with M>=2 124700 50559 137185
#Entries with M>=2,seqid<90 120717 49523 133783
#Entries with M>=5,seqid<90 94570 44032 110800
#Entries with M>=10,seqid<90 74111 37471 89785
#Entries with M>=20,seqid<90 54795 29870 67832
 
 Same-PFAMDiff-PFAMTotal
#Clusters with M>=2 29936 14130 44066
#Clusters with M>=2,seqid<90 24238 12544 36782
#Clusters with M>=5,seqid<90 6318 4767 11085
#Clusters with M>=10,seqid<90 2330 2490 4820
#Clusters with M>=20,seqid<90 886 1313 2199
 
 Same-PFAMDiff-PFAMTotal
#Relations 8922 28136 37058
#Relations with M>=2 4306 6460 10766
#Relations with M>=2,seqid<90 3770 6040 9810
#Relations with M>=5,seqid<90 1762 3216 4978
#Relations with M>=10,seqid<90 959 1902 2861
#Relations with M>=20,seqid<90 468 1097 1565