Annotations: 7B4M

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Na_H_Exchanger_1	e7b4mA1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: Na_H_Exchanger_1	ECOD (1.6)
B	Na_H_Exchanger_1	e7b4mB1	A: alpha complex topology	X: Cation-proton antiporter	H: Cation-proton antiporter (CPA) (From Topology)	T: Cation-proton antiporter (CPA)	F: Na_H_Exchanger_1	ECOD (1.6)

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Sodium/hydrogen exchanger 9B2	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 lithium:proton antiporter activity identical protein binding protein binding binding	localization transport monoatomic ion transport lithium ion transport monoatomic cation transport establishment of localization metal ion transport sodium ion transport multicellular organismal process regulation of leukocyte differentiation regulation of cellular process regulation of cell differentiation regulation of cell development positive regulation of developmental process localization transport monoatomic ion transport lithium ion transport monoatomic cation transport establishment of localization metal ion transport sodium ion transport multicellular organismal process regulation of leukocyte differentiation regulation of cellular process regulation of cell differentiation regulation of cell development positive regulation of developmental process multicellular organism development skeletal system development cell differentiation anatomical structure development regulation of immune system process positive regulation of immune system process regulation of osteoclast development system development developmental process regulation of biological process positive regulation of cell development regulation of myeloid leukocyte differentiation osteoclast development positive regulation of myeloid leukocyte differentiation positive regulation of multicellular organismal process leukocyte differentiation myeloid leukocyte differentiation cellular developmental process regulation of developmental process positive regulation of biological process cell development positive regulation of osteoclast differentiation regulation of osteoclast differentiation positive regulation of cell differentiation positive regulation of hemopoiesis osteoclast differentiation bone cell development regulation of multicellular organismal process bone development positive regulation of cellular process positive regulation of osteoclast development regulation of multicellular organismal development hemopoiesis regulation of myeloid cell differentiation animal organ development biological regulation myeloid cell differentiation immune system process myeloid cell development positive regulation of myeloid cell differentiation regulation of hemopoiesis cellular process positive regulation of leukocyte differentiation transmembrane transport monoatomic ion transmembrane transport sodium ion homeostasis inorganic ion homeostasis chemical homeostasis homeostatic process monoatomic ion homeostasis monoatomic cation homeostasis protein localization cellular response to stimulus regulation of localization establishment of protein localization response to organic substance nitrogen compound transport response to stimulus cell communication carbohydrate homeostasis cellular macromolecule localization establishment of localization in cell regulation of biological quality regulation of peptide hormone secretion regulation of hormone levels organic substance transport establishment of protein localization to extracellular region intracellular glucose homeostasis protein secretion cellular response to oxygen-containing compound regulation of protein secretion regulation of secretion cellular response to carbohydrate stimulus response to glucose response to chemical glucose homeostasis insulin secretion involved in cellular response to glucose stimulus cellular localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion signaling hormone secretion protein localization to extracellular region peptide secretion secretion by cell regulation of secretion by cell response to monosaccharide response to carbohydrate amide transport signal release cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus cellular response to organic substance regulation of signaling secretion regulation of transport regulation of peptide transport regulation of establishment of protein localization cell-cell signaling export from cell response to oxygen-containing compound cellular response to glucose stimulus regulation of protein transport peptide transport response to hexose cellular response to chemical stimulus cellular homeostasis protein transport regulation of cellular localization regulation of insulin secretion peptide hormone secretion macromolecule localization regulation of insulin secretion involved in cellular response to glucose stimulus hormone transport regulation of cell communication insulin secretion import into cell clathrin-dependent endocytosis receptor-mediated endocytosis endocytosis vesicle-mediated transport sperm motility reproductive process cilium movement involved in cell motility cilium or flagellum-dependent cell motility cilium-dependent cell motility flagellated sperm motility microtubule-based movement microtubule-based process cilium movement cell motility	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane cellular anatomical entity intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope mitochondrial envelope organelle cytoplasm organelle membrane endosome membrane endosome intracellular vesicle recycling endosome endomembrane system cytoplasmic vesicle membrane bounding membrane of organelle recycling endosome membrane vesicle membrane cytoplasmic vesicle vesicle cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane basal part of cell basal plasma membrane basolateral plasma membrane synapse transport vesicle membrane presynapse synaptic vesicle synaptic vesicle membrane cell junction transport vesicle exocytic vesicle membrane secretory vesicle exocytic vesicle cell projection sperm principal piece cilium 9+2 motile cilium sperm flagellum motile cilium plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006153	Cation/H+ exchanger	Domain
A, B	IPR038770	Sodium/solute symporter superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q86UD5	asthma lung carcinoma malignant pancreatic neoplasm testicular cancer atrial fibrillation malignant ependymoma medulloblastoma testicular germ cell tumor glioblastoma malignant glioma osteosarcoma ulcerative colitis

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	Monovalent cation-proton antiporter	Sodium-proton antiporter 1

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

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.