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Identification
HMDB Protein ID HMDBP03066
Secondary Accession Numbers
  • 8600
Name Sodium/hydrogen exchanger 8
Synonyms
  1. NHE-8
  2. Na(+)/H(+) exchanger 8
  3. Solute carrier family 9 member 8
Gene Name SLC9A8
Protein Type Unknown
Biological Properties
General Function Involved in solute:hydrogen antiporter activity
Specific Function Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction
Pathways Not Available
Reactions Not Available
GO Classification
Component
cell part
membrane part
intrinsic to membrane
integral to membrane
Function
monovalent cation:hydrogen antiporter activity
sodium:hydrogen antiporter activity
solute:cation antiporter activity
solute:hydrogen antiporter activity
transmembrane transporter activity
substrate-specific transmembrane transporter activity
ion transmembrane transporter activity
cation transmembrane transporter activity
inorganic cation transmembrane transporter activity
monovalent inorganic cation transmembrane transporter activity
hydrogen ion transmembrane transporter activity
transporter activity
Process
cation homeostasis
monovalent inorganic cation homeostasis
regulation of ph
sodium ion transport
establishment of localization
transport
biological regulation
transmembrane transport
monovalent inorganic cation transport
ion transport
cation transport
regulation of biological quality
homeostatic process
chemical homeostasis
ion homeostasis
Cellular Location
  1. Golgi apparatus membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location Chromosome:2
Locus 20q13.13
SNPs SLC9A8
Gene Sequence
>1746 bp
ATGGGGGAGAAGATGGCGGAAGAGGAGAGGTTCCCCAATACAACTCATGAGGGTTTCAAT
GTCACCCTCCACACCACCCTGGTTGTCACGACGAAACTGGTGCTCCCGACCCCTGGCAAG
CCCATCCTCCCCGTGCAGACAGGGGAGCAGGCCCAGCAAGAGGAGCAGTCCAGCGGCATG
ACCATTTTCTTCAGCCTCCTTGTCCTAGCTATCTGCATCATATTGGTGCATTTACTGATC
CGATACAGATTACATTTCTTGCCAGAGAGTGTTGCTGTTGTTTCTTTAGGTATTCTCATG
GGAGCAGTTATAAAAATTATAGAGTTTAAAAAACTGGCGAATTGGAAGGAAGAAGAAATG
TTTCGTCCAAACATGTTTTTCCTCCTCCTGCTTCCCCCTATTATCTTTGAGTCTGGATAT
TCATTACACAAGGGTAACTTCTTTCAAAATATTGGTTCCATCACCCTGTTTGCTGTTTTT
GGGACGGCAATCTCCGCTTTTGTAGTAGGTGGAGGAATTTATTTTCTGGGTCAGGCTGAT
GTAATCTCTAAACTCAACATGACAGACAGTTTTGCGTTTGGCTCCCTAATATCTGCTGTC
GATCCAGTGGCCACTATTGCCATTTTCAATGCACTTCATGTGGACCCCGTGCTCAACATG
CTGGTCTTTGGAGAAAGTATTCTCAACGATGCAGTCTCCATTGTTCTGACCAACACAGCT
GAAGGTTTAACAAGAAAAAATATGTCAGATGTCAGTGGGTGGCAAACATTTTTACAAGCC
CTTGACTACTTCCTCAAAATGTTCTTTGGCTCTGCAGCGCTCGGCACTCTCACTGGCTTA
ATTTCTGCATTAGTGCTGAAGCATATTGACTTGAGGAAAACGCCTTCCTTGGAGTTTGGC
ATGATGATCATTTTTGCTTATCTGCCTTATGGGCTTGCAGAAGGAATCTCACTCTCAGGC
ATCATGGCCATCCTTTTCTCAGGCATCGTGATGTCCCACTACACGCACCATAACCTCTCC
CCAGTCACCCAGATCCTCATGCAGCAGACCCTCCGCACCGTGGCCTTCTTATGTGAAACA
TGTGTGTTTGCATTTCTTGGCCTGTCCATTTTTAGTTTTCCTCACAAGTTTGAAATTTCC
TTTGTCATCTGGTGCATAGTGCTTGTACTATTTGGCAGAGCGGTAAACATTTTCCCTCTT
TCCTACCTCCTGAATTTCTTCCGGGATCATAAAATCACACCGAAGATGATGTTCATCATG
TGGTTTAGTGGCCTGCGGGGAGCCATCCCCTATGCCCTGAGCCTACACCTGGACCTGGAG
CCCATGGAGAAGCGGCAGCTCATCGGCACCACCACCATCGTCATCGTGCTCTTCACCATC
CTGCTGCTGGGCGGCAGCACCATGCCCCTCATTCGCCTCATGGACATCGAGGACGCCAAG
GCACACCGCAGGAACAAGAAGGACGTCAACCTCAGCAAGACTGAGAAGATGGGCAACACT
GTGGAGTCGGAGCACCTGTCGGAGCTCACGGAGGAGGAGTACGAGGCCCACTACATCAGG
CGGCAGGACCTTAAGGGCTTCGTGTGGCTGGACGCCAAGTACCTGAACCCCTTCTTCACT
CGGAGGCTGACGCAGGAGGACCTGCACCACGGGCGCATCCAGATGAAAACTCTCACCAAC
AAGTGGTACGAGGAGGTACGCCAGGGCCCCTCCGGCTCCGAGGACGACGAGCAGGAGCTG
CTCTGA
Protein Properties
Number of Residues 581
Molecular Weight 65421.2
Theoretical pI 6.51
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • 60-80
  • 84-104
  • 123-143
  • 156-176
  • 191-211
  • 264-284
  • 311-331
  • 354-374
  • 379-399
  • 417-437
  • 451-471
Protein Sequence
>Sodium/hydrogen exchanger 8
MGEKMAEEERFPNTTHEGFNVTLHTTLVVTTKLVLPTPGKPILPVQTGEQAQQEEQSSGM
TIFFSLLVLAICIILVHLLIRYRLHFLPESVAVVSLGILMGAVIKIIEFKKLANWKEEEM
FRPNMFFLLLLPPIIFESGYSLHKGNFFQNIGSITLFAVFGTAISAFVVGGGIYFLGQAD
VISKLNMTDSFAFGSLISAVDPVATIAIFNALHVDPVLNMLVFGESILNDAVSIVLTNTA
EGLTRKNMSDVSGWQTFLQALDYFLKMFFGSAALGTLTGLISALVLKHIDLRKTPSLEFG
MMIIFAYLPYGLAEGISLSGIMAILFSGIVMSHYTHHNLSPVTQILMQQTLRTVAFLCET
CVFAFLGLSIFSFPHKFEISFVIWCIVLVLFGRAVNIFPLSYLLNFFRDHKITPKMMFIM
WFSGLRGAIPYALSLHLDLEPMEKRQLIGTTTIVIVLFTILLLGGSTMPLIRLMDIEDAK
AHRRNKKDVNLSKTEKMGNTVESEHLSELTEEEYEAHYIRRQDLKGFVWLDAKYLNPFFT
RRLTQEDLHHGRIQMKTLTNKWYEEVRQGPSGSEDDEQELL
GenBank ID Protein 41872703
UniProtKB/Swiss-Prot ID Q9Y2E8
UniProtKB/Swiss-Prot Entry Name SL9A8_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_015266.1
GeneCard ID SLC9A8
GenAtlas ID SLC9A8
HGNC ID HGNC:20728
References
General References
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  3. Olsen JV, Blagoev B, Gnad F, Macek B, Kumar C, Mortensen P, Mann M: Global, in vivo, and site-specific phosphorylation dynamics in signaling networks. Cell. 2006 Nov 3;127(3):635-48. [PubMed:17081983 ]
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  5. Nakajima D, Okazaki N, Yamakawa H, Kikuno R, Ohara O, Nagase T: Construction of expression-ready cDNA clones for KIAA genes: manual curation of 330 KIAA cDNA clones. DNA Res. 2002 Jun 30;9(3):99-106. [PubMed:12168954 ]
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