Annotations: 9PS3

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C], B [auth A], C [auth B]	PF01699	Sodium/calcium exchanger protein (Na_Ca_ex)	Sodium/calcium exchanger protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B [auth A], C [auth B]	NCLX	monoatomic cation transmembrane transporter activity metal cation:monoatomic cation antiporter activity calcium:monoatomic cation antiporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active transmembrane transporter activity calcium ion transmembrane transporter activity calcium:sodium antiporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity calcium:sodium antiporter activity involved in regulation of cardiac muscle cell membrane potential monoatomic cation transmembrane transporter activity metal cation:monoatomic cation antiporter activity calcium:monoatomic cation antiporter activity sodium ion transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active transmembrane transporter activity calcium ion transmembrane transporter activity calcium:sodium antiporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity calcium:sodium antiporter activity involved in regulation of cardiac muscle cell membrane potential identical protein binding protein binding binding protein homodimerization activity protein dimerization activity	regulation of localization cellular localization regulation of cellular process inorganic ion homeostasis intracellular calcium ion homeostasis transport homeostatic process monoatomic ion transmembrane transport negative regulation of biological process calcium ion homeostasis negative regulation of sequestering of calcium ion calcium ion transport metal ion transport maintenance of location in cell monoatomic cation transmembrane transport regulation of localization cellular localization regulation of cellular process inorganic ion homeostasis intracellular calcium ion homeostasis transport homeostatic process monoatomic ion transmembrane transport negative regulation of biological process calcium ion homeostasis negative regulation of sequestering of calcium ion calcium ion transport metal ion transport maintenance of location in cell monoatomic cation transmembrane transport localization intracellular monoatomic cation homeostasis monoatomic ion homeostasis negative regulation of cellular process monoatomic ion transport intracellular chemical homeostasis monoatomic cation homeostasis monoatomic cation transport regulation of sequestering of calcium ion intracellular monoatomic ion homeostasis regulation of biological process calcium ion transmembrane import into cytosol sequestering of calcium ion biological regulation establishment of localization maintenance of location transmembrane transport release of sequestered calcium ion into cytosol cellular homeostasis chemical homeostasis mitochondrial calcium ion transmembrane transport cellular process calcium export from the mitochondrion calcium ion transmembrane transport mitochondrial calcium ion homeostasis regulation of cytosolic calcium ion concentration cellular response to stimulus regulation of cell motility response to stimulus regulation of response to external stimulus lymphocyte chemotaxis regulation of lymphocyte migration regulation of lymphocyte chemotaxis taxis regulation of cell migration cell migration regulation of immune system process cell motility regulation of mononuclear cell migration locomotion cell chemotaxis chemotaxis regulation of leukocyte chemotaxis regulation of leukocyte migration lymphocyte migration response to external stimulus regulation of chemotaxis leukocyte migration cellular response to chemical stimulus regulation of response to stimulus immune system process response to chemical regulation of locomotion mononuclear cell migration leukocyte chemotaxis sodium ion transmembrane transport sodium ion transport establishment of protein localization nitrogen compound transport regulation of hormone secretion regulation of protein localization regulation of peptide secretion signaling hormone secretion protein localization to extracellular region cell communication peptide secretion regulation of secretion by cell secretion by cell amide transport signal release intracellular protein localization regulation of biological quality regulation of peptide hormone secretion regulation of signaling regulation of transport secretion regulation of hormone levels regulation of peptide transport regulation of establishment of protein localization establishment of protein localization to extracellular region export from cell cell-cell signaling regulation of protein transport protein secretion regulation of protein secretion regulation of secretion peptide transport protein transport regulation of insulin secretion peptide hormone secretion macromolecule localization hormone transport regulation of cell communication insulin secretion regulation of store-operated calcium entry regulation of calcium ion transport regulation of monoatomic ion transport store-operated calcium entry regulation of metal ion transport regulation of cardiac muscle cell membrane potential regulation of membrane potential glucose homeostasis carbohydrate homeostasis	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane cell periphery sarcolemma plasma membrane mitochondrial crista

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B]	IPR004837	Sodium/calcium exchanger membrane region	Domain
A [auth C], B [auth A], C [auth B]	IPR051359	Calcium:cation antiporter	Family
A [auth C], B [auth A], C [auth B]	IPR044880	NCX, central ion-binding domain superfamily	Homologous Superfamily

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.