Annotations: 8Y85

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00955	HCO3- transporter integral membrane domain (HCO3_cotransp)	HCO3- transporter integral membrane domain	This family contains Band 3 anion exchange proteins that exchange CL-/HCO3- such as Swiss:P48751. This family also includes cotransporters of Na+/HCO3- such as Swiss:O15153.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Anion exchange protein 3	chloride transmembrane transporter activity monoatomic anion transmembrane transporter activity bicarbonate transmembrane transporter activity bicarbonate:monoatomic anion antiporter activity secondary active transmembrane transporter activity antiporter activity active transmembrane transporter activity chloride:bicarbonate antiporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity solute:inorganic anion antiporter activity	heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation cardiac conduction regulation of multicellular organismal process heart contraction blood circulation regulation of action potential heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation cardiac conduction regulation of multicellular organismal process heart contraction blood circulation regulation of action potential regulation of cardiac muscle cell action potential action potential regulation of biological quality cardiac muscle cell action potential regulation of membrane potential localization bicarbonate transport organic anion transport transport establishment of localization homeostatic process regulation of intracellular pH cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis regulation of pH monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis regulation of cellular pH intracellular monoatomic ion homeostasis pH reduction vascular process in circulatory system vascular transport transport across blood-brain barrier transmembrane transport cellular process	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011531	Bicarbonate transporter-like, transmembrane domain	Domain
A, B	IPR002979	Anion exchange protein 3	Family
A, B	IPR013769	Band 3 cytoplasmic domain	Domain
A, B	IPR016152	Phosphotransferase/anion transporter	Homologous Superfamily
A, B	IPR001717	Anion exchange protein	Family
A, B	IPR003020	Bicarbonate transporter, eukaryotic	Family
A, B	IPR018241	Anion exchange, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P48751	heart disease atypical teratoid rhabdoid tumor large cell medulloblastoma malignant mesothelioma glioblastoma lung carcinoma medulloblastoma malignant glioma pilocytic astrocytoma

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 R01GM157729.