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 125643 14837 125643
#Entries with M>=2 85036 9915 87917
#Entries with M>=2,seqid<90 67872 8177 70934
#Entries with M>=5,seqid<90 50415 6566 53413
#Entries with M>=10,seqid<90 37704 4912 40263
#Entries with M>=20,seqid<90 24194 3213 26323
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 22386 4376 26762
#Clusters with M>=2,seqid<90 12884 1918 14802
#Clusters with M>=5,seqid<90 2624 784 3408
#Clusters with M>=10,seqid<90 940 408 1348
#Clusters with M>=20,seqid<90 298 203 501
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 12567 29381 41948
#Groups with M>=2 4156 2713 6869
#Groups with M>=2,seqid<90 2568 1320 3888
#Groups with M>=5,seqid<90 1143 595 1738
#Groups with M>=10,seqid<90 537 333 870
#Groups with M>=20,seqid<90 201 177 378
 

Domain-based interface clusters

 Same-PFAMDiff-PFAMTotal
#Entries 112802 41420 116396
#Entries with M>=2 91043 36002 100621
#Entries with M>=2,seqid<90 78022 32197 89387
#Entries with M>=5,seqid<90 60598 28615 73067
#Entries with M>=10,seqid<90 45180 23791 56730
#Entries with M>=20,seqid<90 30849 17489 39301
 
 Same-PFAMDiff-PFAMTotal
#Clusters with M>=2 30208 12166 42374
#Clusters with M>=2,seqid<90 20106 7739 27845
#Clusters with M>=5,seqid<90 4012 2753 6765
#Clusters with M>=10,seqid<90 1389 1263 2652
#Clusters with M>=20,seqid<90 479 544 1023
 
 Same-PFAMDiff-PFAMTotal
#Relations 7088 16634 23722
#Relations with M>=2 3791 5457 9248
#Relations with M>=2,seqid<90 2728 3636 6364
#Relations with M>=5,seqid<90 1279 1751 3030
#Relations with M>=10,seqid<90 647 882 1529
#Relations with M>=20,seqid<90 283 414 697