5IFA | pdb_00005ifa

Crystal structure of unbound VRC01c-HuGL2 Fab from an HIV-1 naive donor at 1.82 A

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
B [auth L]d5ifal2 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]d5ifal1 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)
A [auth H]BAHe5ifaH1 A: a/b three-layered sandwichesX: Alpha-beta plaitsH: SH3T: SH3F: BAHECOD (v294.1)
B [auth L]BAHe5ifaL1 A: a/b three-layered sandwichesX: Alpha-beta plaitsH: SH3T: SH3F: BAHECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth L]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
A [auth H]VRC01c-HuGL2 mAb, anti-gp120 [HIV-1], broadly neutralizing VH-CH1 Homo sapiens (human) IGHV1-2*02, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202611-0)
B [auth L]VRC01c-HuGL2 mAb, anti-gp120 [HIV-1], broadly neutralizing L-KAPPA Homo sapiens (human) IGKV4-1*01, IGKJ4*01, IGKJ4*02, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth H]Heavy ChainIGHV1 --SAbDab (2026-03-27)
B [auth L]Light ChainIGKV4 Kappa-SAbDab (2026-03-27)