Annotations: 3SOH

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02154	e3sohA1	A: a+b duplicates or obligate multimers	X: CheC-like (From Topology)	H: CheC-like (From Topology)	T: CheC-like	F: PF02154	ECOD (1.6)
C	PF02154	e3sohC1	A: a+b duplicates or obligate multimers	X: CheC-like (From Topology)	H: CheC-like (From Topology)	T: CheC-like	F: PF02154	ECOD (1.6)
B	PF14841	e3sohB1	A: alpha arrays	X: Domains of FliG	H: Middle domain of FliG (From Topology)	T: Middle domain of FliG	F: PF14841	ECOD (1.6)
D	PF14841	e3sohD1	A: alpha arrays	X: Domains of FliG	H: Middle domain of FliG (From Topology)	T: Middle domain of FliG	F: PF14841	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1550.10	Alpha Beta	3-Layer(aba) Sandwich	Chemotaxis protein chec	CheC-like	CATH (4.3.0)
C	3.40.1550.10	Alpha Beta	3-Layer(aba) Sandwich	Chemotaxis protein chec	CheC-like	CATH (4.3.0)
B	1.10.220.30	Mainly Alpha	Orthogonal Bundle	Annexin V	domain 1	CATH (4.3.0)
D	1.10.220.30	Mainly Alpha	Orthogonal Bundle	Annexin V	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF02154	Flagellar motor switch protein FliM (FliM)	Flagellar motor switch protein FliM	-	Family
B, D	PF14841	FliG middle domain (FliG_M)	FliG middle domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Flagellar motor switch protein FliM	cytoskeletal motor activity	positive chemotaxis chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion bacterial-type flagellum-dependent swarming motility bacterial-type flagellum-dependent cell motility cellular process cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility	cell periphery plasma membrane membrane cellular anatomical entity bacterial-type flagellum basal body cell projection organelle bacterial-type flagellum non-membrane-bounded organelle
B, D	Flagellar motor switch protein FliG	cytoskeletal motor activity protein heterodimerization activity protein binding binding protein dimerization activity identical protein binding protein homodimerization activity	chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion bacterial-type flagellum-dependent cell motility cellular process cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility	cell periphery plasma membrane membrane cellular anatomical entity bacterial-type flagellum basal body cell projection organelle bacterial-type flagellum non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR001543	Flagellar motor switch protein FliN-like, C-terminal domain	Domain
A, C	IPR001689	Flagellar motor switch protein FliM	Family
A, C	IPR028976	CheC-like superfamily	Homologous Superfamily
A, C	IPR036429	SpoA-like superfamily	Homologous Superfamily
B, D	IPR011002	Flagellar motor switch protein FliG, alpha-helical	Homologous Superfamily
B, D	IPR000090	Flagellar motor switch protein FliG	Family
B, D	IPR028263	Flagellar motor switch protein FliG, N-terminal domain	Domain
B, D	IPR023087	Flagellar motor switch protein FliG, C-terminal	Domain
B, D	IPR032779	Flagellar motor switch protein FliG, middle domain	Domain

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.