Annotations: 8IWO

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00999	Sodium/hydrogen exchanger family (Na_H_Exchanger)	Sodium/hydrogen exchanger family	-	Family
A, B	PF00027	Cyclic nucleotide-binding domain (cNMP_binding)	Cyclic nucleotide-binding domain	This domain sensor domain can bind cAMP, cGMP, c-di-GMP, oxygen and 2-oxoglutarate (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	OsSOS1	monoatomic cation transmembrane transporter activity metal cation:monoatomic cation antiporter activity proton transmembrane transporter activity sodium:proton antiporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active monoatomic ion transmembrane transporter activity metal cation:proton antiporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity monoatomic cation transmembrane transporter activity metal cation:monoatomic cation antiporter activity proton transmembrane transporter activity sodium:proton antiporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active monoatomic ion transmembrane transporter activity metal cation:proton antiporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity potassium ion transmembrane transporter activity potassium:proton antiporter activity solute:potassium antiporter activity	homeostatic process biological regulation regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis regulation of cellular pH intracellular monoatomic ion homeostasis import into cell homeostatic process biological regulation regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis regulation of biological quality monoatomic cation homeostasis regulation of cellular pH intracellular monoatomic ion homeostasis import into cell transport monoatomic ion transmembrane transport import across plasma membrane sodium ion import across plasma membrane sodium ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization inorganic ion import across plasma membrane monoatomic ion transport cellular process monoatomic cation transport sodium ion transport potassium ion transmembrane transport potassium ion transport	cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle intracellular anatomical structure plastid chloroplast envelope intracellular membrane-bounded organelle intracellular organelle organelle envelope organelle cytoplasm plastid envelope cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle intracellular anatomical structure plastid chloroplast envelope intracellular membrane-bounded organelle intracellular organelle organelle envelope organelle cytoplasm plastid envelope chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B	IPR018422	Cation/H+ exchanger, CPA1 family	Family
A, B	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
A, B	IPR006153	Cation/H+ exchanger	Domain
A, B	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

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.