4TYU | pdb_00004tyu

Homodimeric Single Domain Antibody (sdAb) against Staphylococcal enterotoxin B (SEB)

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Bd4tyub1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Lama glama ) [TaxId: 9844 ], SCOPe (2.08)
Bd4tyub2 Artifacts Tags Tags Tags N-terminal Tags (Lama glama ) [TaxId: 9844 ], SCOPe (2.08)
Ad4tyua1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Lama glama ) [TaxId: 9844 ], SCOPe (2.08)
Ad4tyua2 Artifacts Tags Tags Tags N-terminal Tags (Lama glama ) [TaxId: 9844 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BV-sete4tyuB1 A: a/b three-layered sandwichesX: beta-GraspH: Ribosomal protein L41-AT: Ribosomal protein L41-AF: V-setECOD (v294.1)
AV-sete4tyuA1 A: a/b three-layered sandwichesX: beta-GraspH: Ribosomal protein L41-AT: Ribosomal protein L41-AF: V-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
A, B
single domain antibody VHH VH Lama glama (llama) IGHV3S45*01, IGHJ4*01 V-DOMAIN VH IG (VH) IMGT (202612-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A, B
Heavy ChainIGHV1 --SAbDab (2026-03-27)