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 2MCP | pdb_00002mcp

REFINED CRYSTAL STRUCTURE OF THE MC/PC603 FAB-PHOSPHOCHOLINE COMPLEX AT 3.1 ANGSTROMS RESOLUTION

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
B [auth H]d2mcph1 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]d2mcph2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain alpha constant domain 1, CH1-alpha house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
A [auth L]d2mcpl1 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]d2mcpl2 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-binde2mcpH1 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-binde2mcpL1 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]McPC603 mAb, anti-phosphorylcholine VH-CH1 Mus musculus (house mouse) IGHV7-1*02, IGHJ1*01, IGHJ1*02, IGHA*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-ALPHA_KAPPA IMGT (202639-0)
A [auth L]McPC603 mAb, anti-phosphorylcholine L-KAPPA Mus musculus (house mouse) IGKV8-28*01, IGKJ5*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-ALPHA_KAPPA IMGT (202639-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV7 -PHOSPHOCHOLINESAbDab (2026-10-09)
A [auth L]Light ChainIGKV8 KappaPHOSPHOCHOLINESAbDab (2026-10-09)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B [auth H]PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B [auth H]IGA-KAPPA MCPC603 FAB (HEAVY CHAIN)
A [auth L]IGA-KAPPA MCPC603 FAB (LIGHT CHAIN)---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B [auth H]IPR050199Immunoglobulin Heavy VariableFamily
B [auth H]IPR013783Immunoglobulin-like foldHomologous Superfamily
B [auth H]IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
B [auth H]IPR013106Immunoglobulin V-set domainDomain
B [auth H]IPR003599Immunoglobulin domain subtypeDomain
B [auth H]IPR007110Immunoglobulin-like domainDomain