Structure of the EAEC T6SS component TssK N-terminal domain in complex with llama nanobodies nbK18 and nbK27


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AT6SS_VasEe5mwnA1 A: beta barrelsX: P-loop domains-likeH: Lactophage receptor-binding protein N-terminal domain-likeT: Lactophage receptor-binding protein N-terminal domain-likeF: T6SS_VasEECOD (v294.2)
AT6SS_VasEe5mwnA2 A: beta barrelsX: P-loop domains-likeH: RelE-likeT: RelE-likeF: T6SS_VasEECOD (v294.2)
BPDH_Ne5mwnB1 A: beta barrelsX: P-loop domains-likeH: RelE-likeT: RelE-likeF: PDH_NECOD (v294.2)
CPDH_Ne5mwnC1 A: beta barrelsX: P-loop domains-likeH: RelE-likeT: RelE-likeF: PDH_NECOD (v294.2)
DECH_1e5mwnD1 A: beta barrelsX: P-loop domains-likeH: Immunoglobulin-relatedT: HAD-likeF: ECH_1ECOD (v294.2)
EECH_1e5mwnE1 A: beta barrelsX: P-loop domains-likeH: Immunoglobulin-relatedT: HAD-likeF: ECH_1ECOD (v294.2)
FECH_1e5mwnF1 A: beta barrelsX: P-loop domains-likeH: Immunoglobulin-relatedT: HAD-likeF: ECH_1ECOD (v294.2)
G [auth N]ECH_1e5mwnN1 A: beta barrelsX: P-loop domains-likeH: Immunoglobulin-relatedT: HAD-likeF: ECH_1ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
F2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
G [auth N]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
D, E, F
Heavy ChainIGHV1 -type vi secretion proteinSAbDab (2026-05-08)
G [auth N]Heavy ChainIGHV1 -type vi secretion proteinSAbDab (2026-05-08)