Gene Information
Gene NameNBCE1
OrganismHomo sapiens (Human)
Gene Length1079
Protein NamesElectrogenic sodium bicarbonate cotransporter 1 (Sodium bicarbonate cotransporter) (Na(+)/HCO3(-) cotransporter) (Solute carrier family 4 member 4) (kNBC1)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBQ9Y6R1
Gene CardSLC4A4
Uniprot IDQ9Y6R1
PfamPF07565; PF00955
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue Specificity[Isoform 1]: Expressed in the corneal endothelium cells (at protein level). Expressed in pancreas and to a lower extent in heart, skeletal muscle, liver, parotid salivary glands, prostate, colon, stomach, thyroid, brain and spinal chord. {ECO:0000269|PubMed:10069984, ECO:0000269|PubMed:11743927, ECO:0000269|PubMed:12907161, ECO:0000269|PubMed:14559244, ECO:0000269|PubMed:15329059, ECO:0000269|PubMed:9651366}.;
[Isoform 2]: Specifically expressed in kidney at the level of proximal tubules. {ECO:0000269|PubMed:9235899}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 6CAA  (EM  3.90A 
DBSNP rs121908856  rs121908857  rs1203164637 
Subcellular location [CC]Basolateral cell membrane {ECO:0000269|PubMed:12907161, ECO:0000269|PubMed:15273250, ECO:0000269|PubMed:15713912, ECO:0000269|PubMed:17661077};
Multi-pass membrane protein {ECO:0000269|PubMed:12534288, ECO:0000305|PubMed:29500354}. Cell membrane {ECO:0000269|PubMed:12534288, ECO:0000269|PubMed:15817634, ECO:0000269|PubMed:15930088, ECO:0000269|PubMed:16636648, ECO:0000269|PubMed:23324180, ECO:0000269|PubMed:23636456, ECO:0000269|PubMed:29500354};
Multi-pass membrane protein {ECO:0000269|PubMed:12534288, ECO:0000305|PubMed:29500354}.
Mouse PG classificationNA
click here to return to the previous page