4DCQ | pdb_00004dcq

Crystal Structure of the Fab Fragment of 3B5H10, an Antibody-Specific for Extended Polyglutamine Repeats (orthorhombic form)

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Bd4dcqb_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Ad4dcqa1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BRrf2e4dcqB1 A: a/b three-layered sandwichesX: beta-GraspH: HTHT: winged helix domainF: Rrf2ECOD (v294.1)
AC1-sete4dcqA1 A: a/b three-layered sandwichesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: C1-setECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 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
3B5H10 FAB VH-CH1 Mus musculus (house mouse) IGHV9-3*01, IGHJ3*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202613-0)
3B5H10 FAB L-LAMBDA Mus musculus (house mouse) IGLV3*01, IGLJ2*01, IGLC2*01 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202613-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Heavy ChainIGHV9 --SAbDab (2026-04-10)
Light ChainIGLV3 Lambda-SAbDab (2026-04-10)