4RIR | pdb_00004rir

Structural Analysis of the Unmutated Ancestor of the HIV-1 Envelope V2 Region Antibody CH58 Isolated From an RV144 HIV-1 Vaccine Efficacy Trial Vaccinee and Associated with Decreased Transmission Risk

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
D [auth B]d4rirb2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
D [auth B]d4rirb1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d4rirl2 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]d4rirl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
C [auth A]d4rira_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth H]d4rirh_ 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)
D [auth B]Pkinasee4rirB1 A: a/b three-layered sandwichesX: Repetitive alpha hairpinsH: C2 domainT: C2 domainF: PkinaseECOD (v294.1)
B [auth L]Pkinasee4rirL1 A: a/b three-layered sandwichesX: Repetitive alpha hairpinsH: C2 domainT: C2 domainF: PkinaseECOD (v294.1)
C [auth A]Pkinasee4rirA1 A: a/b three-layered sandwichesX: Repetitive alpha hairpinsH: C2 domainT: C2 domainF: PkinaseECOD (v294.1)
C [auth A]EF-hand_1, EF-hand_6, EF-hand_7e4rirA2 A: a/b three-layered sandwichesX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: EF-hand_1, EF-hand_6, EF-hand_7ECOD (v294.1)
A [auth H]Pkinasee4rirH2 A: a/b three-layered sandwichesX: Repetitive alpha hairpinsH: C2 domainT: C2 domainF: PkinaseECOD (v294.1)
A [auth H]EF-hand_1, EF-hand_6, EF-hand_7e4rirH3 A: a/b three-layered sandwichesX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: EF-hand_1, EF-hand_6, EF-hand_7ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D [auth B]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)
C [auth A]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],
D [auth B]		CH58-UA Fab L-LAMBDA Homo sapiens (human) IGLV6-57*01, IGLJ3*02, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202612-0)
A [auth H],
C [auth A]		CH58-UA Fab VH-CH1 Homo sapiens (human) IGHV5-51*01, IGHV5-51*03, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202612-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B]		Light ChainIGLV6 Lambda-SAbDab (2026-03-27)
A [auth H],
C [auth A]		Heavy ChainIGHV5 --SAbDab (2026-03-27)