5XCQ | pdb_00005xcq

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


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Ae5xcqA1 A: L-aspartase middle domain-likeX: L-aspartase middle domain-likeH: L-aspartase middle domain-likeT: MetallophosF:ECOD (20:10:01)
Be5xcqB1 A: TIM beta/alpha-barrelX: TIM barrelsH: TIM barrelsT: Mst1_SARAHF:ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A4.10.170.10 Few Secondary Structures Irregular p53, subunit A p53-like tetramerisation domainCATH (utative)
B2.60.40.10 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
P20.1 Fv VH Mus musculus (house mouse) IGHV9-4*02, IGHJ4*01 V-DOMAIN VH IG FV-HEAVY_LAMBDA IMGT (202609-0)
P20.1 Fv V-LAMBDA Mus musculus (house mouse) IGLV7-43*01, IGLJ3*02 V-DOMAIN V-LAMBDA IG FV-HEAVY_LAMBDA IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Heavy ChainIGHV9 -c8 peptideSAbDab (2026-03-13)
Light ChainIGLV1 Lambdac8 peptideSAbDab (2026-03-13)