6XCA | pdb_00006xca

Crystal structure of an anti-SARS-CoV-2 human neutralizing antibody Fab fragment, C105

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth H]d6xcah_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches Human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d6xcal1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches Human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d6xcal2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches Human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth H]MCM_OBe6xcaH1 A: a/b three-layered sandwichesX: Immunoglobulin-like beta-sandwichH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: MCM_OBECOD (v294.1)
B [auth L]MCM_OBe6xcaL1 A: a/b three-layered sandwichesX: Immunoglobulin-like beta-sandwichH: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesT: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetasesF: MCM_OBECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A [auth H]Fab C105, anti-SARS-CoV 2 spike, neutralizing VH-CH1 Homo sapiens (human) IGHV3-53*01, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHJ5*01, IGHJ8*01, IGHG1*03, IGHG1*08, IGHG1*06 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202611-0)
B [auth L]Fab C105, anti-SARS-CoV 2 spike, neutralizing L-LAMBDA Homo sapiens (human) IGLV2-8*01, IGLJ2*01, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth H]Heavy ChainIGHV3 --SAbDab (2026-03-27)
B [auth L]Light ChainIGLV2 Lambda-SAbDab (2026-03-27)