Skip to main content

 5AWN | pdb_00005awn

Crystal structure of Human anti-HIV-1 broadly neutralizing antibody 3BC176 Fab

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
B [auth L]d5awnl2 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]d5awnl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth H]d5awnh_ 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]CDP-OH_P_transfe5awnL1 A: alpha arraysX: OB-foldH: Rubredoxin-relatedT: Rubredoxin-relatedF: CDP-OH_P_transfECOD (v295.2)
A [auth H]CDP-OH_P_transfe5awnH2 A: alpha arraysX: OB-foldH: Rubredoxin-relatedT: Rubredoxin-relatedF: CDP-OH_P_transfECOD (v295.2)
A [auth H]EF-hand_1, EF-hand_6, EF-hand_7e5awnH3 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]3BC176 mAb, anti-gp120-gp41 [HIV-1], broadly neutralizing L-LAMBDA Homo sapiens (human) IGLV2-23*02, IGLV2-23*03, TRAJ50*01, IGLC1*02, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202636-0)
A [auth H]3BC176 mAb, anti-gp120-gp41 [HIV-1], broadly neutralizing VH-CH1 Homo sapiens (human) IGHV1-2*02, IGHV1-46*01, IGHV1-46*02, 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)