4D9V

Structure of the Type III Secretion System Protein

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SMAD/FHA domain-like	8092643	3000137	SCOP2B (2022-06-29)
B	SCOP2 Family	PrgH-like	8046012	4004224	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	SMAD/FHA domain-like	8092643	3000137	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF16697	e4d9vA2	A: beta sandwiches	X: SMAD/FHA domain (From Topology)	H: SMAD/FHA domain (From Topology)	T: SMAD/FHA domain	F: PF16697	ECOD (1.6)
B	PF16697	e4d9vB2	A: beta sandwiches	X: SMAD/FHA domain (From Topology)	H: SMAD/FHA domain (From Topology)	T: SMAD/FHA domain	F: PF16697	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.200.20	Mainly Beta	Sandwich	Tumour Suppressor Smad4		CATH (4.3.0)
B	2.60.200.20	Mainly Beta	Sandwich	Tumour Suppressor Smad4		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF16697	Inner membrane component of T3SS, cytoplasmic domain (Yop-YscD_cpl)	Inner membrane component of T3SS, cytoplasmic domain	Yop-YscD-cpl is the cytoplasmic domain of Yop proteins like YscD from Proteobacteria. YscD forms part of the inner membrane component of the bacterial type III secretion injectosome apparatus [1,2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	YscD; putative type III secretion protein	-	-	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR012843	Type III secretion system YscD/HrpQ	Family
A, B	IPR008984	SMAD/FHA domain superfamily	Homologous Superfamily
A, B	IPR032034	Yop protein translocation protein D, periplasmic domain	Domain
A, B	IPR032030	YscD, cytoplasmic domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.