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
inorganic anion exchanger activity
transmembrane transporter activity
substrate-specific transmembrane transporter activity
ion transmembrane transporter activity
anion:anion antiporter activity
transporter activity
anion 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