The database was updated on June 5, 2020.
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 145878 39490 146129
#Entries with M>=2 101365 12550 104840
#Entries with M>=2,seqid<90 81362 10605 85509
#Entries with M>=5,seqid<90 63181 8570 66775
#Entries with M>=10,seqid<90 49022 6773 52103
#Entries with M>=20,seqid<90 34640 4876 37132
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Clusters with M>=2 23776 5242 29018
#Clusters with M>=2,seqid<90 13558 2314 15872
#Clusters with M>=5,seqid<90 3083 1127 4210
#Clusters with M>=10,seqid<90 1164 666 1830
#Clusters with M>=20,seqid<90 420 292 712
 
 Single Chain ArchitecturePairs of Chain ArchitecturesTotal
#Groups 13584 17968 31552
#Groups with M>=2 4332 3512 7844
#Groups with M>=2,seqid<90 2686 1656 4342
#Groups with M>=5,seqid<90 1310 947 2257
#Groups with M>=10,seqid<90 652 573 1225
#Groups with M>=20,seqid<90 273 259 532
 

Domain-based interface clusters

 Same-PFAMDiff-PFAMTotal
#Entries 133130 50357 136485
#Entries with M>=2 108681 44687 118976
#Entries with M>=2,seqid<90 103270 43267 114529
#Entries with M>=5,seqid<90 81446 37548 95233
#Entries with M>=10,seqid<90 63023 31223 76002
#Entries with M>=20,seqid<90 46256 24221 57254
 
 Same-PFAMDiff-PFAMTotal
#Clusters with M>=2 30471 14942 45413
#Clusters with M>=2,seqid<90 23112 12748 35860
#Clusters with M>=5,seqid<90 5964 4429 10393
#Clusters with M>=10,seqid<90 2259 2013 4272
#Clusters with M>=20,seqid<90 821 869 1690
 
 Same-PFAMDiff-PFAMTotal
#Relations 8389 26111 34500
#Relations with M>=2 4333 6995 11328
#Relations with M>=2,seqid<90 3733 6412 10145
#Relations with M>=5,seqid<90 1679 2925 4604
#Relations with M>=10,seqid<90 888 1472 2360
#Relations with M>=20,seqid<90 412 670 1082