Annotations: 3B1S

Crystal structure of the cytoplasmic domain of FlhB from Aquifex aeolicus

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Peptidase_C14	e3b1sA01	A: beta barrels	X: Caspase-like	H: Caspase-like	T: Caspase-like	F: Peptidase_C14	ECOD (v294.2)
D [auth B]	Peptidase_C14	e3b1sB01	A: beta barrels	X: Caspase-like	H: Caspase-like	T: Caspase-like	F: Peptidase_C14	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	3.40.1690.10	Alpha Beta	3-Layer(aba) Sandwich	name from scop	secretion proteins EscU	CATH (4.3.0)
E [auth D]	3.40.1690.10	Alpha Beta	3-Layer(aba) Sandwich	name from scop	secretion proteins EscU	CATH (4.3.0)
D [auth B]	3.40.1690.10	Alpha Beta	3-Layer(aba) Sandwich	name from scop	secretion proteins EscU	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C], C [auth E]	Flagellar biosynthetic protein flhB	-	organelle assembly cell projection organization bacterial-type flagellum assembly membraneless organelle assembly cellular component biogenesis cellular component organization bacterial-type flagellum organization organelle organization cellular component assembly cellular process cellular component organization or biogenesis cell projection assembly establishment of protein localization transport organelle assembly cell projection organization bacterial-type flagellum assembly membraneless organelle assembly cellular component biogenesis cellular component organization bacterial-type flagellum organization organelle organization cellular component assembly cellular process cellular component organization or biogenesis cell projection assembly establishment of protein localization transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region localization secretion by cell protein transport macromolecule localization intracellular protein localization	cell periphery cellular anatomical structure plasma membrane membrane
D [auth B], E [auth D], F	Flagellar biosynthetic protein flhB	-	organelle assembly cell projection organization bacterial-type flagellum assembly membraneless organelle assembly cellular component biogenesis cellular component organization bacterial-type flagellum organization organelle organization cellular component assembly cellular process cellular component organization or biogenesis cell projection assembly establishment of protein localization transport organelle assembly cell projection organization bacterial-type flagellum assembly membraneless organelle assembly cellular component biogenesis cellular component organization bacterial-type flagellum organization organelle organization cellular component assembly cellular process cellular component organization or biogenesis cell projection assembly establishment of protein localization transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region localization secretion by cell protein transport macromolecule localization intracellular protein localization	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C], C [auth E]	IPR006136	Flagellar biosynthetic protein FlhB	Family
A, B [auth C], C [auth E]	IPR006135	Type III secretion system substrate exporter	Family
A, B [auth C], C [auth E]	IPR029025	Type III secretion system substrate exporter, C-terminal	Homologous Superfamily
D [auth B], E [auth D], F	IPR006136	Flagellar biosynthetic protein FlhB	Family
D [auth B], E [auth D], F	IPR006135	Type III secretion system substrate exporter	Family
D [auth B], E [auth D], F	IPR029025	Type III secretion system substrate exporter, C-terminal	Homologous Superfamily

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

3B1S | pdb_00003b1s

Crystal structure of the cytoplasmic domain of FlhB from Aquifex aeolicus

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Domain Annotation: CATH CATH Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage