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- Table of Contents
Facts about Electrogenic sodium bicarbonate cotransporter 4.
May play a role in mediating Na(+):HCO3(-) cotransport in hepatocytes and intrahepatic cholangiocytes. Also may be important in protecting the renal paranchyma from alterations in urine pH.
Human | |
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Gene Name: | SLC4A5 |
Uniprot: | Q9BY07 |
Entrez: | 57835 |
Belongs to: |
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anion exchanger (TC 2.A.31) family |
electrogenic sodium bicarbonate cotransporter 4; MGC129662; NBC4Solute carrier family 4 member 5; NBCe2; solute carrier family 4, sodium bicarbonate cotransporter, member 5
Mass (kDA):
126.255 kDA
Human | |
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Location: | 2p13.1 |
Sequence: | 2; NC_000002.12 (74216242..74343416, complement) |
Highest expression observed in liver, spleen and testis; moderate expression in the choroid plexus, hippocampus, cerebrum and cerebellum of brain, and in kidney cortex and kidney medulla. Also observed in heart, pancreas, muscle, lung, placenta, stomach and small intestine. Weakest expression seen in peripheral blood lymphocytes, colon, duodenum, jejunum, ileum and skeletal muscle.
Apical cell membrane; Multi-pass membrane protein. Expressed in the apical plasma membrane domain of a subset of collecting ducts in the renal medulla.
PMID: 10978526 by Pushkin A., et al. Cloning, characterization and chromosomal assignment of NBC4, a new member of the sodium bicarbonate cotransporter family.
PMID: 11087115 by Pushkin A., et al. Two C-terminal variants of NBC4, a new member of the sodium bicarbonate cotransporter family: cloning, characterization, and localization.