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 113392 16237 118196
#Entries with M>=2,seqid<90 90414 13565 95901
#Entries with M>=5,seqid<90 75891 11613 80986
#Entries with M>=10,seqid<90 59365 9344 63804
#Entries with M>=20,seqid<90 40354 7345 44578
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 21383 7758 29141
#Clusters with M>=2,seqid<90 10694 3100 13794
#Clusters with M>=5,seqid<90 3958 1875 5833
#Clusters with M>=10,seqid<90 1553 1226 2779
#Clusters with M>=20,seqid<90 540 780 1320
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 15458 53863 69321
#Groups with M>=2 4964 5175 10139
#Groups with M>=2,seqid<90 2859 2264 5123
#Groups with M>=5,seqid<90 1548 1522 3070
#Groups with M>=10,seqid<90 761 1050 1811
#Groups with M>=20,seqid<90 330 703 1033
 

Domain-based interface clusters

 Same-PFAMDiff-PFAMTotal
#Entries 154870 60234 159334
#Entries with M>=2 125449 50763 137869
#Entries with M>=2,seqid<90 115746 48551 130109
#Entries with M>=5,seqid<90 92228 44107 108808
#Entries with M>=10,seqid<90 71534 37516 87228
#Entries with M>=20,seqid<90 53425 30172 66517
 
 Same-PFAMDiff-PFAMTotal
#Clusters with M>=2 30607 13747 44354
#Clusters with M>=2,seqid<90 22476 9519 31995
#Clusters with M>=5,seqid<90 6215 4345 10560
#Clusters with M>=10,seqid<90 2245 2423 4668
#Clusters with M>=20,seqid<90 840 1324 2164
 
 Same-PFAMDiff-PFAMTotal
#Relations 8801 25961 34762
#Relations with M>=2 4286 6345 10631
#Relations with M>=2,seqid<90 3226 4736 7962
#Relations with M>=5,seqid<90 1677 2900 4577
#Relations with M>=10,seqid<90 944 1831 2775
#Relations with M>=20,seqid<90 468 1099 1567