5XCQ | pdb_00005xcq

Crystal structure of P20.1 Fv-clasp fragment with its antigen peptide

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BV-set_3e5xcqB1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
BMst1_SARAHe5xcqB2 A: a+b two layersX: NAP-like (From Topology)H: NAP-like (From Topology)T: NAP-likeF: Mst1_SARAHECOD (1.6)
AV-set_8e5xcqA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
A4.10.170.10 Few Secondary Structures Irregular p53, subunit A p53-like tetramerisation domainCATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
P20.1 Fv V-LAMBDA Mus musculus (house mouse) IGLV7-43*01, IGLJ3*02 V-DOMAIN V-LAMBDA IG FV-HEAVY_LAMBDA IMGT (202542-0)
P20.1 Fv VH Mus musculus (house mouse) IGHV9-4*02, IGHJ4*01 V-DOMAIN VH IG FV-HEAVY_LAMBDA IMGT (202542-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Light ChainIGLV1 Lambdac8 peptideSAbDab (2025-10-31)
Heavy ChainIGHV9 -c8 peptideSAbDab (2025-10-31)