The database was updated on October 21, 2017.
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 89709 10819 92854
#Entries with M>=2,seqid<90 70355 8805 74078
#Entries with M>=5,seqid<90 51938 7064 55544
#Entries with M>=10,seqid<90 38168 5323 41043
#Entries with M>=20,seqid<90 24909 3443 27318
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 23375 5050 28425
#Clusters with M>=2,seqid<90 13381 2115 15496
#Clusters with M>=5,seqid<90 2659 942 3601
#Clusters with M>=10,seqid<90 957 453 1410
#Clusters with M>=20,seqid<90 324 230 554
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 13089 34548 47637
#Groups with M>=2 4344 3137 7481
#Groups with M>=2,seqid<90 2630 1459 4089
#Groups with M>=5,seqid<90 1176 753 1929
#Groups with M>=10,seqid<90 560 376 936
#Groups with M>=20,seqid<90 211 203 414
 

Domain-based interface clusters

 Same-PFAMDiff-PFAMTotal
#Entries 121716 44492 124527
#Entries with M>=2 95438 37772 104137
#Entries with M>=2,seqid<90 85629 35097 96315
#Entries with M>=5,seqid<90 64698 31080 77473
#Entries with M>=10,seqid<90 48398 25834 60284
#Entries with M>=20,seqid<90 33240 18772 42047
 
 Same-PFAMDiff-PFAMTotal
#Clusters with M>=2 31651 13262 44913
#Clusters with M>=2,seqid<90 20072 8289 28361
#Clusters with M>=5,seqid<90 4452 3300 7752
#Clusters with M>=10,seqid<90 1487 1529 3016
#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 2961 4171 7132
#Relations with M>=5,seqid<90 1396 2171 3567
#Relations with M>=10,seqid<90 710 1104 1814
#Relations with M>=20,seqid<90 311 490 801