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 5CCK | pdb_00005cck

Crystal structure of Human anti-HIV-1 broadly neutralizing antibody 3BC315 Fab

External Resource: Annotation


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
B [auth L]d5cckl2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d5cckl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth H]d5cckh_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]Peripla_BP_4e5cckL1 A: alpha arraysX: Hsp90 co-chaperone CDC37 middle domainH: Nucleoplasmin-like/VP (viral coat and capsid proteins)T: Nucleoplasmin-like/VP (viral coat and capsid proteins)F: Peripla_BP_4ECOD (v295.2)
A [auth H]Peripla_BP_4e5cckH1 A: alpha arraysX: Hsp90 co-chaperone CDC37 middle domainH: Nucleoplasmin-like/VP (viral coat and capsid proteins)T: Nucleoplasmin-like/VP (viral coat and capsid proteins)F: Peripla_BP_4ECOD (v295.2)
A [auth H]EF-hand_1, EF-hand_6, EF-hand_7e5cckH2 A: alpha arraysX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: EF-hand_1, EF-hand_6, EF-hand_7ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B [auth L]3BC315mAb, anti-gp120-gp41 [HIV-1], broadly neutralizing L-LAMBDA Homo sapiens (human) IGLV2-23*02, TRAJ50*01, IGLC1*02 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202636-0)
A [auth H]3BC315mAb, anti-gp120-gp41 [HIV-1], broadly neutralizing VH-CH1 Homo sapiens (human) IGHV1-2*02, IGHV1-46*01, IGHV1-46*03, IGHJ2*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202636-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L]Light ChainIGLV2 Lambda-SAbDab (2026-09-18)
A [auth H]Heavy ChainIGHV1 --SAbDab (2026-09-18)