4GAY | pdb_00004gay

Structure of the broadly neutralizing antibody AP33

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
D [auth B]d4gayb2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
D [auth B]d4gayb1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
B [auth L]d4gayl2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
B [auth L]d4gayl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
C [auth A]d4gaya_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
A [auth H]d4gayh_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]V-sete4gayB1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: V-setECOD (develop294)
B [auth L]V-sete4gayL1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: V-setECOD (develop294)
C [auth A]SmpA_OmlAe4gayA1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: SmpA_OmlAECOD (develop294)
A [auth H]SmpA_OmlAe4gayH1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: SmpA_OmlAECOD (develop294)

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]		Fab AP33, broadly Neutralizing Antibody L-KAPPA Mus musculus (house mouse) IGKV3-10*01, IGKJ1*01, IGKJ1*02, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
A [auth H],
C [auth A]		Fab AP33, broadly Neutralizing Antibody VH-CH1 Mus musculus (house mouse) IGHV3-8*02, IGHJ4*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B]		Light ChainIGKV3 Kappa-SAbDab (2026-03-20)
A [auth H],
C [auth A]		Heavy ChainIGHV3 --SAbDab (2026-03-20)