Annotations: 5CUK

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Flg_hook	e5cukA1	A: beta barrels	X: Leanyer virus nucleoprotein-related	H: Leanyer virus nucleoprotein-related	T: Leanyer virus nucleoprotein-related	F: Flg_hook	ECOD (v294.2)

Chains	Accession	Name	Description	Comments	Source
A	PF02120	Flagellar hook-length control protein FliK (Flg_hook)	Flagellar hook-length control protein FliK	This is the C terminal domain of FliK. FliK controls the length of the flagellar hook by directly measuring the hook length as a molecular ruler [1]. This family also includes YscP of the Yersinia type III secretion system, and equivalent proteins i ...	This is the C terminal domain of FliK. FliK controls the length of the flagellar hook by directly measuring the hook length as a molecular ruler [1]. This family also includes YscP of the Yersinia type III secretion system, and equivalent proteins in other pathogenic bacterial type III secretion systems.	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ruler protein	-	establishment of protein localization transport secretion 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 macromolecule localization establishment of protein localization transport secretion 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 macromolecule localization cellular process intracellular protein localization	-

Chains	Accession	Name	Type
A	IPR021136	Flagellar hook-length control protein-like, C-terminal	Domain
A	IPR038610	FliK-like, C-terminal domain superfamily	Homologous Superfamily
A	IPR013354	Type III secretion system needle length determinant, C-terminal 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

5CUK | pdb_00005cuk