Gene Information
Gene NameNBC3
OrganismHomo sapiens (Human)
Gene Length1214
Protein NamesSodium bicarbonate cotransporter 3 (Electroneutral Na/HCO(3) cotransporter) (Sodium bicarbonate cotransporter 2) (Sodium bicarbonate cotransporter 2b) (Bicarbonate transporter) (Solute carrier family 4 member 7)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBQ9Y6M7
Gene CardSLC4A7
Uniprot IDQ9Y6M7
PfamPF07565; PF00955
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityHighly expressed in testis and spleen. Also expressed in retina, colon, small intestine, ovary, thymus, prostate, muscle, heart and kidney. {ECO:0000269|PubMed:9610397}.;
[Isoform 1]: Expressed in skeletal muscle and heart muscle. {ECO:0000269|PubMed:10347222}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs3755652 
Subcellular location [CC]Basolateral cell membrane {ECO:0000250|UniProtKB:Q9R1N3};
Multi-pass membrane protein {ECO:0000255}. Apical cell membrane {ECO:0000250|UniProtKB:Q9R1N3};
Multi-pass membrane protein {ECO:0000255}. Cell projection, stereocilium {ECO:0000250|UniProtKB:Q9R1N3}. Cell membrane {ECO:0000269|PubMed:14578046, ECO:0000269|PubMed:29779931};
Multi-pass membrane protein {ECO:0000255}. Note=Localizes to the stereocilia of cochlear outer hair cells and to the lateral membrane of cochlear inner hair cells (By similarity). {ECO:0000250|UniProtKB:Q9R1N3}.;
[Isoform 6]: Cell membrane {ECO:0000269|PubMed:29779931};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationNA
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