Identification
HMDB Protein ID CDBP02177
Secondary Accession Numbers Not Available
Name Electrogenic sodium bicarbonate cotransporter 1
Description Not Available
Synonyms
  1. Na(+)/HCO3(-) cotransporter
  2. Sodium bicarbonate cotransporter
  3. Solute carrier family 4 member 4
  4. kNBC1
Gene Name SLC4A4
Protein Type Transporter
Biological Properties
General Function Involved in anion transport
Specific Function Electrogenic sodium/bicarbonate cotransporter with a Na(+):HCO3(-) stoichiometry varying from 1:2 to 1:3. May regulate bicarbonate influx/efflux at the basolateral membrane of cells and regulate intracellular pH
GO Classification
Component
membrane
cell part
membrane part
intrinsic to membrane
integral to membrane
Function
anion:anion antiporter activity
transporter activity
anion transmembrane transporter activity
inorganic anion exchanger activity
transmembrane transporter activity
substrate-specific transmembrane transporter activity
ion transmembrane transporter activity
Process
establishment of localization
transport
anion transport
ion transport
Cellular Location
  1. Multi-pass membrane protein
  2. Basolateral cell membrane
Pathways
Gene Properties
Chromosome Location Chromosome:4
Locus 4q21
SNPs SLC4A4
Gene Sequence
>3240 bp
ATGGAGGATGAAGCTGTCCTGGACAGAGGGGCTTCCTTCCTCAAGCATGTGTGTGATGAA
GAAGAAGTAGAAGGCCACCATACCATTTACATCGGAGTCCATGTGCCGAAGAGTTACAGG
AGAAGGAGACGTCACAAGAGAAAGACAGGGCACAAAGAAAAGAAGGAAAAGGAGAGAATC
TCTGAGAACTACTCTGACAAATCAGATATTGAAAATGCTGATGAATCCAGCAGCAGCATC
CTAAAACCTCTCATCTCTCCTGCTGCAGAACGCATCCGATTCATCTTGGGAGAGGAGGAT
GACAGCCCAGCTCCCCCTCAGCTCTTCACGGAACTGGATGAGCTGCTGGCCGTGGATGGG
CAGGAGATGGAGTGGAAGGAAACAGCCAGGTGGATCAAGTTTGAAGAAAAAGTGGAACAG
GGTGGGGAAAGATGGAGCAAGCCCCATGTGGCCACATTGTCCCTTCATAGTTTATTTGAG
CTGAGGACATGTATGGAGAAAGGATCCATCATGCTTGATCGGGAGGCTTCTTCTCTCCCA
CAGTTGGTGGAGATGATTGTTGACCATCAGATTGAGACAGGCCTATTGAAACCTGAACTT
AAGGATAAGGTGACCTATACTTTGCTCCGGAAGCACCGGCATCAAACCAAGAAATCCAAC
CTTCGGTCCCTGGCTGACATTGGGAAGACAGTCTCCAGTGCAAGTAGGATGTTTACCAAC
CCTGATAATGGTAGCCCAGCCATGACCCATAGGAATCTGACTTCCTCCAGTCTGAATGAC
ATTTCTGATAAACCGGAGAAGGACCAGCTGAAGAATAAGTTCATGAAAAAATTGCCACGT
GATGCAGAAGCTTCCAACGTGCTTGTTGGGGAGGTTGACTTTTTGGATACTCCTTTCATT
GCCTTTGTTAGGCTACAGCAGGCTGTCATGCTGGGTGCCCTGACTGAAGTTCCTGTGCCC
ACAAGGTTCTTGTTCATTCTCTTAGGTCCTAAGGGGAAAGCCAAGTCCTACCACGAGATT
GGCAGAGCCATTGCCACCCTGATGTCTGATGAGGTGTTCCATGACATTGCTTATAAAGCA
AAAGACAGGCACGACCTGATTGCTGGTATTGATGAGTTCCTAGATGAAGTCATCGTCCTT
CCACCTGGGGAATGGGATCCAGCAATTAGGATAGAGCCTCCTAAGAGTCTTCCATCCTCT
GACAAAAGAAAGAATATGTACTCAGGTGGAGAGAATGTTCAGATGAATGGGGATACGCCC
CATGATGGAGGTCACGGAGGAGGAGGACATGGGGATTGTGAAGAATTGCAGCGAACTGGA
CGGTTCTGTGGTGGACTAATTAAAGACATAAAGAGGAAAGCGCCATTTTTTGCCAGTGAT
TTTTATGATGCTTTAAATATTCAAGCTCTTTCGGCAATTCTCTTCATTTATCTGGCAACT
GTAACTAATGCTATCACTTTTGGAGGACTGCTTGGGGATGCCACTGACAACATGCAGGGC
GTGTTGGAGAGTTTCCTGGGCACTGCTGTCTCTGGAGCCATCTTTTGCCTTTTTGCTGGT
CAACCACTCACTATTCTGAGCAGCACCGGACCTGTCCTAGTTTTTGAGAGGCTTCTATTT
AATTTCAGCAAGGACAATAATTTTGACTATTTGGAGTTTCGCCTTTGGATTGGCCTGTGG
TCCGCCTTCCTATGTCTCATTTTGGTAGCCACTGATGCCAGCTTCTTGGTTCAATACTTC
ACACGTTTCACGGAGGAGGGCTTTTCCTCTCTGATTAGCTTCATCTTTATCTATGATGCT
TTCAAGAAGATGATCAAGCTTGCAGATTACTACCCCATCAACTCCAACTTCAAAGTGGGC
TACAACACTCTCTTTTCCTGTACCTGTGTGCCACCTGACCCAGCTAATATCTCAATATCT
AATGACACCACACTGGCCCCAGAGTATTTGCCAACTATGTCTTCTACTGACATGTACCAT
AATACTACCTTTGACTGGGCATTTTTGTCGAAGAAGGAGTGTTCAAAATACGGAGGAAAC
CTCGTCGGGAACAACTGTAATTTTGTTCCTGATATCACACTCATGTCTTTTATCCTCTTC
TTGGGAACCTACACCTCTTCCATGGCTCTGAAAAAATTCAAAACTAGTCCTTATTTTCCA
ACCACAGCAAGAAAACTGATCAGTGATTTTGCCATTATCTTGTCCATTCTCATCTTTTGT
GTAATAGATGCCCTAGTAGGCGTGGACACCCCAAAACTAATTGTGCCAAGTGAGTTCAAG
CCAACAAGTCCAAACCGAGGTTGGTTCGTTCCACCGTTTGGAGAAAACCCCTGGTGGGTG
TGCCTTGCTGCTGCTATCCCGGCTTTGTTGGTCACTATACTGATTTTCATGGACCAACAA
ATTACAGCTGTGATTGTAAACAGGAAAGAACATAAACTCAAGAAAGGAGCAGGGTATCAC
TTGGATCTCTTTTGGGTGGCCATCCTCATGGTTATATGCTCCCTCATGGCTCTTCCGTGG
TATGTAGCTGCTACGGTCATCTCCATTGCTCACATCGACAGTTTGAAGATGGAGACAGAG
ACTTCTGCACCTGGAGAACAACCAAAGTTTCTAGGAGTGAGGGAACAAAGAGTCACTGGA
ACCCTTGTGTTTATTCTGACTGGTCTGTCAGTCTTTATGGCTCCCATCTTGAAGTTTATA
CCCATGCCTGTACTCTATGGTGTGTTCCTGTATATGGGAGTAGCATCCCTTAATGGTGTG
CAGTTCATGGATCGTCTGAAGCTGCTTCTGATGCCTCTGAAGCATCAGCCTGACTTCATC
TACCTGCGTCATGTTCCTCTGCGCAGAGTCCACCTGTTCACTTTCCTGCAGGTGTTGTGT
CTGGCCCTGCTTTGGATCCTCAAGTCAACGGTGGCTGCTATCATTTTTCCAGTAATGATC
TTGGCACTTGTAGCTGTCAGAAAAGGCATGGACTACCTCTTCTCCCAGCATGACCTCAGC
TTCCTGGATGATGTCATTCCAGAAAAGGACAAGAAAAAGAAGGAGGATGAGAAGAAAAAG
AAAAAGAAGAAGGGAAGTCTGGACAGTGACAATGATGATTCTGACTGCCCATACTCAGAA
AAAGTTCCAAGTATTAAAATTCCAATGGACATCATGGAACAGCAACCTTTCCTAAGCGAT
AGCAAACCTTCTGACAGAGAAAGATCACCAACATTCCTTGAACGCCACACATCATGCTGA
Protein Properties
Number of Residues 1079
Molecular Weight 121459.4
Theoretical pI 6.79
Pfam Domain Function
Signals
  • ["None"]
Transmembrane Regions
  • ["469-488", "505-526", "555-580", "692-710", "726-748", "778-797", "823-847", "882-901", "950-967", "971-986"]
Protein Sequence
>Electrogenic sodium bicarbonate cotransporter 1
MEDEAVLDRGASFLKHVCDEEEVEGHHTIYIGVHVPKSYRRRRRHKRKTGHKEKKEKERI
SENYSDKSDIENADESSSSILKPLISPAAERIRFILGEEDDSPAPPQLFTELDELLAVDG
QEMEWKETARWIKFEEKVEQGGERWSKPHVATLSLHSLFELRTCMEKGSIMLDREASSLP
QLVEMIVDHQIETGLLKPELKDKVTYTLLRKHRHQTKKSNLRSLADIGKTVSSASRMFTN
PDNGSPAMTHRNLTSSSLNDISDKPEKDQLKNKFMKKLPRDAEASNVLVGEVDFLDTPFI
AFVRLQQAVMLGALTEVPVPTRFLFILLGPKGKAKSYHEIGRAIATLMSDEVFHDIAYKA
KDRHDLIAGIDEFLDEVIVLPPGEWDPAIRIEPPKSLPSSDKRKNMYSGGENVQMNGDTP
HDGGHGGGGHGDCEELQRTGRFCGGLIKDIKRKAPFFASDFYDALNIQALSAILFIYLAT
VTNAITFGGLLGDATDNMQGVLESFLGTAVSGAIFCLFAGQPLTILSSTGPVLVFERLLF
NFSKDNNFDYLEFRLWIGLWSAFLCLILVATDASFLVQYFTRFTEEGFSSLISFIFIYDA
FKKMIKLADYYPINSNFKVGYNTLFSCTCVPPDPANISISNDTTLAPEYLPTMSSTDMYH
NTTFDWAFLSKKECSKYGGNLVGNNCNFVPDITLMSFILFLGTYTSSMALKKFKTSPYFP
TTARKLISDFAIILSILIFCVIDALVGVDTPKLIVPSEFKPTSPNRGWFVPPFGENPWWV
CLAAAIPALLVTILIFMDQQITAVIVNRKEHKLKKGAGYHLDLFWVAILMVICSLMALPW
YVAATVISIAHIDSLKMETETSAPGEQPKFLGVREQRVTGTLVFILTGLSVFMAPILKFI
PMPVLYGVFLYMGVASLNGVQFMDRLKLLLMPLKHQPDFIYLRHVPLRRVHLFTFLQVLC
LALLWILKSTVAAIIFPVMILALVAVRKGMDYLFSQHDLSFLDDVIPEKDKKKKEDEKKK
KKKKGSLDSDNDDSDCPYSEKVPSIKIPMDIMEQQPFLSDSKPSDRERSPTFLERHTSC
GenBank ID Protein 148596928
UniProtKB/Swiss-Prot ID Q9Y6R1
UniProtKB/Swiss-Prot Entry Name S4A4_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_001098484.2
GeneCard ID SLC4A4
GenAtlas ID SLC4A4
HGNC ID HGNC:11030
References
General References Not Available