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 2751 302 2751
#Entries with M>=2,seqid<90 2198 302 2198
#Entries with M>=5,seqid<90 1752 302 1752
#Entries with M>=10,seqid<90 1635 302 1635
#Entries with M>=20,seqid<90 1395 302 1395
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 427 27 454
#Clusters with M>=2,seqid<90 269 8 277
#Clusters with M>=5,seqid<90 43 8 51
#Clusters with M>=10,seqid<90 21 7 28
#Clusters with M>=20,seqid<90 13 7 20
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 13089 34548 47637
#Groups with M>=2 14 3 17
#Groups with M>=2,seqid<90 14 3 17
#Groups with M>=5,seqid<90 12 3 15
#Groups with M>=10,seqid<90 10 3 13
#Groups with M>=20,seqid<90 8 3 11
 

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