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 2DBL | pdb_00002dbl

MOLECULAR BASIS OF CROSS-REACTIVITY AND THE LIMITS OF ANTIBODY-ANTIGEN COMPLEMENTARITY

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
B [auth H]d2dblh1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
B [auth H]d2dblh2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
A [auth L]d2dbll1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain kappa variable domain, VL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
A [auth L]d2dbll2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain kappa constant domain, CL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth H]Copper-binde2dblH1 A: alpha arraysX: Phage tail fiber protein trimerization domainH: Phage tail fiber protein trimerization domainT: Phage tail fiber protein trimerization domainF: Copper-bindECOD (v295.2)
A [auth L]Copper-binde2dblL1 A: alpha arraysX: Phage tail fiber protein trimerization domainH: Phage tail fiber protein trimerization domainT: Phage tail fiber protein trimerization domainF: Copper-bindECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [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
B [auth H]DB3 Fab', anti-progesterone VH-CH1 Mus musculus (house mouse) IGHV9-3-1*01, IGHJ1*01, IGHJ1*02, IGHG1*01 V-DOMAIN VH, C-DOMAIN CH1 IG FAB'-GAMMA-1_KAPPA IMGT (202637-0)
A [auth L]DB3 Fab', anti-progesterone L-KAPPA Mus musculus (house mouse) IGKV1-110*01, IGKJ1*01, IGKJ1*02, IGKJ2*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB'-GAMMA-1_KAPPA IMGT (202637-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV9 -5-ALPHA-PREGNANE-3-BETA-OL-HEMISUCCINATESAbDab (2026-09-25)
A [auth L]Light ChainIGKV1 Kappa5-ALPHA-PREGNANE-3-BETA-OL-HEMISUCCINATESAbDab (2026-09-25)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B [auth H]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B [auth H]IGG1-KAPPA DB3 FAB (HEAVY CHAIN)- -
A [auth L]IGG1-KAPPA DB3 FAB (LIGHT CHAIN)---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B [auth H]IPR003597Immunoglobulin C1-setDomain
B [auth H]IPR013783Immunoglobulin-like foldHomologous Superfamily
B [auth H]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B [auth H]IPR007110Immunoglobulin-like domainDomain
B [auth H]IPR050380Immune Recognition and Response ModulatorsFamily