Annotations: 2JP3

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2jp3a_	Membrane and cell surface proteins and peptides	Single transmembrane helix	ATP1G1/PLM/MAT8-like (FXYD-like)	ATP1G1/PLM/MAT8-like (FXYD-like)	Sodium/potassium-transporting ATPase regulatory protein FXYD4 (CHIF)	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.780	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Single helix bin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02038	ATP1G1/PLM/MAT8 family (ATP1G1_PLM_MAT8)	ATP1G1/PLM/MAT8 family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	FXYD domain-containing ion transport regulator 4	channel regulator activity ion channel regulator activity molecular function regulator activity sodium channel regulator activity transporter regulator activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity monoatomic ion channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity channel activity channel regulator activity ion channel regulator activity molecular function regulator activity sodium channel regulator activity transporter regulator activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity monoatomic ion channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity ATPase binding protein binding binding enzyme binding	regulation of localization localization regulation of biological process regulation of transport transport regulation of monoatomic ion transport biological regulation monoatomic ion transport establishment of localization transmembrane transport cellular process inorganic ion transmembrane transport inorganic cation transmembrane transport	ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex sodium:potassium-exchanging ATPase complex cellular anatomical entity transporter complex cation-transporting ATPase complex cell periphery transmembrane transporter complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR047283	FXYD domain-containing ion transport regulator 4	Family
A	IPR047297	Ion-transport regulator, FXYD motif	Conserved Site
A	IPR000272	Ion-transport regulator, FXYD family	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Bitopic proteins	Single-helix ATPase regulators	FXYD regulators

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

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.