The database was updated on November 15, 2019.
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 134475 16299 134475
#Entries with M>=2 92404 11095 95461
#Entries with M>=2,seqid<90 72517 9081 76166
#Entries with M>=5,seqid<90 53660 7340 57192
#Entries with M>=10,seqid<90 39795 5599 42651
#Entries with M>=20,seqid<90 26304 3725 28693
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 23802 5077 28879
#Clusters with M>=2,seqid<90 13650 2123 15773
#Clusters with M>=5,seqid<90 2702 950 3652
#Clusters with M>=10,seqid<90 978 460 1438
#Clusters with M>=20,seqid<90 337 237 574
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 13089 34548 47637
#Groups with M>=2 4358 3140 7498
#Groups with M>=2,seqid<90 2644 1462 4106
#Groups with M>=5,seqid<90 1188 756 1944
#Groups with M>=10,seqid<90 570 379 949
#Groups with M>=20,seqid<90 219 206 425
 

Domain-based interface clusters

 Same-PFAMDiff-PFAMTotal
#Entries 121716 44493 124528
#Entries with M>=2 95339 37747 104053
#Entries with M>=2,seqid<90 85639 35086 96282
#Entries with M>=5,seqid<90 64700 31069 77441
#Entries with M>=10,seqid<90 48394 25813 60261
#Entries with M>=20,seqid<90 33241 18768 42044
 
 Same-PFAMDiff-PFAMTotal
#Clusters with M>=2 31647 13260 44907
#Clusters with M>=2,seqid<90 20083 8297 28380
#Clusters with M>=5,seqid<90 4453 3300 7753
#Clusters with M>=10,seqid<90 1487 1527 3014
#Clusters with M>=20,seqid<90 532 632 1164
 
 Same-PFAMDiff-PFAMTotal
#Relations 7243 18243 25486
#Relations with M>=2 3903 5861 9764
#Relations with M>=2,seqid<90 2962 4173 7135
#Relations with M>=5,seqid<90 1397 2171 3568
#Relations with M>=10,seqid<90 710 1103 1813
#Relations with M>=20,seqid<90 311 490 801