Annotations: 3ZQB

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Type III secretion system needle-like	8074333	3000649	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	IpaD-like	8078125	3001578	SCOP2B (2022-06-29)
B	SCOP2 Family	IpaD-like	8078124	4001436	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	IpaD-like	8078125	3001578	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Type III secretion system needle-like	8074333	3000649	SCOP2B (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	IpaD	e3zqbA5	A: alpha bundles	X: IpaD-like (From Topology)	H: IpaD-like (From Topology)	T: IpaD-like	F: IpaD	ECOD (1.6)
A	T3SS_needle_F	e3zqbA6	A: alpha bundles	X: Long alpha-hairpin	H: MxiH-like (From Topology)	T: MxiH-like	F: T3SS_needle_F	ECOD (1.6)
B	IpaD	e3zqbB1	A: alpha bundles	X: IpaD-like (From Topology)	H: IpaD-like (From Topology)	T: IpaD-like	F: IpaD	ECOD (1.6)
B	T3SS_needle_F	e3zqbB2	A: alpha bundles	X: Long alpha-hairpin	H: MxiH-like (From Topology)	T: MxiH-like	F: T3SS_needle_F	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1710.10	Mainly Alpha	Up-down Bundle	IpaD-like	IpaD-like	CATH (4.3.0)
B	1.20.1710.10	Mainly Alpha	Up-down Bundle	IpaD-like	IpaD-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF09392	Type III secretion needle MxiH, YscF, SsaG, EprI, PscF, EscF (T3SS_needle_F)	Type III secretion needle MxiH, YscF, SsaG, EprI, PscF, EscF	-	Family
A, B	PF06511	Type III secretion systems tip complex components (T3SS_TC)	Type III secretion systems tip complex components	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEIN PRGI, CELL INVASION PROTEIN SIPD	identical protein binding protein binding binding	protein localization establishment of protein localization cellular localization nitrogen compound transport transport secretion organic substance transport protein secretion by the type III secretion system establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization protein localization establishment of protein localization cellular localization nitrogen compound transport transport secretion organic substance transport protein secretion by the type III secretion system establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport cellular macromolecule localization macromolecule localization cellular process	cell surface cellular anatomical entity extracellular region protein-containing complex type III protein secretion system complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR037203	Type III secretion, needle-protein-like superfamily	Homologous Superfamily
A, B	IPR021123	Type III secretion, needle-protein-like	Family
A, B	IPR011841	Type III secretion system, needle protein	Family
A, B	IPR009483	Type III secretion systems tip complex component IpaD/BipD/SipD	Family
A, B	IPR036708	BipD-like superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.