NamePotassium-transporting ATPase alpha chain 1
Synonyms
  • 3.6.3.10
  • Gastric H(+)/K(+) ATPase subunit alpha
  • Proton pump
Gene NameATP4A
OrganismHuman
Amino acid sequence
>lcl|BSEQ0010257|Potassium-transporting ATPase alpha chain 1
MGKAENYELYSVELGPGPGGDMAAKMSKKKKAGGGGGKRKEKLENMKKEMEINDHQLSVA
ELEQKYQTSATKGLSASLAAELLLRDGPNALRPPRGTPEYVKFARQLAGGLQCLMWVAAA
ICLIAFAIQASEGDLTTDDNLYLAIALIAVVVVTGCFGYYQEFKSTNIIASFKNLVPQQA
TVIRDGDKFQINADQLVVGDLVEMKGGDRVPADIRILAAQGCKVDNSSLTGESEPQTRSP
ECTHESPLETRNIAFFSTMCLEGTVQGLVVNTGDRTIIGRIASLASGVENEKTPIAIEIE
HFVDIIAGLAILFGATFFIVAMCIGYTFLRAMVFFMAIVVAYVPEGLLATVTVCLSLTAK
RLASKNCVVKNLEAVETLGSTSVICSDKTGTLTQNRMTVSHLWFDNHIHTADTTEDQSGQ
TFDQSSETWRALCRVLTLCNRAAFKSGQDAVPVPKRIVIGDASETALLKFSELTLGNAMG
YRDRFPKVCEIPFNSTNKFQLSIHTLEDPRDPRHLLVMKGAPERVLERCSSILIKGQELP
LDEQWREAFQTAYLSLGGLGERVLGFCQLYLNEKDYPPGYAFDVEAMNFPSSGLCFAGLV
SMIDPPRATVPDAVLKCRTAGIRVIMVTGDHPITAKAIAASVGIISEGSETVEDIAARLR
VPVDQVNRKDARACVINGMQLKDMDPSELVEALRTHPEMVFARTSPQQKLVIVESCQRLG
AIVAVTGDGVNDSPALKKADIGVAMGIAGSDAAKNAADMILLDDNFASIVTGVEQGRLIF
DNLKKSIAYTLTKNIPELTPYLIYITVSVPLPLGCITILFIELCTDIFPSVSLAYEKAES
DIMHLRPRNPKRDRLVNEPLAAYSYFQIGAIQSFAGFTDYFTAMAQEGWFPLLCVGLRAQ
WEDHHLQDLQDSYGQEWTFGQRLYQQYTCYTVFFISIEVCQIADVLIRKTRRLSAFQQGF
FRNKILVIAIVFQVCIGCFLCYCPGMPNIFNFMPIRFQWWLVPLPYGILIFVYDEIRKLG
VRCCPGSWWDQELYY
Number of residues1035
Molecular Weight114117.74
Theoretical pI5.54
GO Classification
Functions
  • sodium
  • hydrogen
  • ATP binding
  • magnesium ion binding
Processes
  • transmembrane transport
  • ion transmembrane transport
  • potassium ion import
  • establishment or maintenance of transmembrane electrochemical gradient
  • sodium ion export from cell
  • cellular potassium ion homeostasis
  • ATP hydrolysis coupled proton transport
  • transport
  • cellular sodium ion homeostasis
  • response to drug
  • pH reduction
  • regulation of proton transport
Components
  • integral component of plasma membrane
  • intracellular membrane-bounded organelle
  • plasma membrane
  • extracellular space
General FunctionSodium:potassium-exchanging atpase activity
Specific FunctionCatalyzes the hydrolysis of ATP coupled with the exchange of H(+) and K(+) ions across the plasma membrane. Responsible for acid production in the stomach.
Pfam Domain Function
Transmembrane Regions99-119 143-163 300-319 332-349 784-803 814-834 855-877 930-949 964-982 998-1018
GenBank Protein ID561634
UniProtKB IDP20648
UniProtKB Entry NameATP4A_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0010258|Potassium-transporting ATPase alpha chain 1 (ATP4A)
ATGGGGAAGGCCGAGAACTATGAGCTCTACTCGGTGGAGCTGGGTCCTGGCCCTGGCGGG
GACATGGCTGCCAAGATGAGCAAGAAGAAGAAGGCGGGTGGCGGGGGTGGCAAGAGGAAG
GAGAAGCTGGAGAACATGAAGAAGGAGATGGAGATTAACGACCACCAGCTGTCAGTGGCG
GAGCTGGAACAGAAATACCAGACCAGTGCCACCAAGGGCCTCTCTGCGAGCCTGGCTGCT
GAGCTGCTGCTGCGGGATGGGCCCAACGCACTGCGGCCACCACGGGGCACCCCAGAGTAC
GTCAAGTTCGCGAGGCAGCTGGCCGGGGGCCTGCAGTGCCTCATGTGGGTTGCCGCCGCC
ATCTGCCTCATCGCCTTTGCCATCCAGGCTAGTGAGGGGGACCTCACCACCGACGACAAT
CTGTACCTGGCAATCGCTCTCATTGCTGTGGTTGTCGTCACCGGCTGCTTTGGCTACTAC
CAGGAATTCAAGAGCACCAACATCATCGCCAGCTTTAAGAACCTTGTGCCACAGCAAGCC
ACTGTCATCCGCGATGGAGACAAATTCCAGATCAACGCTGACCAACTGGTGGTGGGCGAC
CTGGTGGAGATGAAAGGTGGGGACAGAGTGCCCGCCGACATCCGCATCCTGGCGGCCCAG
GGCTGCAAGGTGGACAACTCCTCGCTGACAGGGGAGTCTGAGCCACAGACCCGCTCACCC
GAGTGCACGCACGAGAGCCCTCTGGAGACCCGCAACATCGCCTTCTTCTCCACCATGTGC
CTTGAGGGCACCGTGCAGGGCCTGGTGGTGAACACGGGCGACCGCACCATCATTGGGCGC
ATCGCATCGCTGGCGTCGGGGGTGGAAAACGAGAAGACACCCATCGCTATCGAGATCGAG
CATTTTGTGGACATCATCGCGGGCCTGGCCATTCTCTTCGGTGCCACATTTTTTATTGTG
GCCATGTGCATTGGCTACACCTTCCTGCGGGCCATGGTCTTCTTCATGGCCATCGTGGTG
GCCTATGTGCCTGAGGGGCTGCTGGCCACTGTCACAGTCTGCCTGTCCCTGACAGCCAAG
CGCCTGGCCAGTAAGAACTGCGTGGTCAAGAACCTGGAGGCGGTGGAGACATTGGGCTCC
ACTTCGGTGATCTGCTCGGACAAGACAGGGACTCTCACTCAGAACCGCATGACTGTGTCC
CATCTGTGGTTTGACAACCACATCCACACAGCTGACACCACGGAAGACCAGTCAGGGCAG
ACGTTTGACCAGTCCTCGGAGACGTGGCGGGCGCTGTGCCGGGTGCTCACCCTGTGCAAC
CGCGCCGCCTTCAAGTCCGGCCAGGATGCAGTGCCTGTGCCCAAGCGCATCGTGATTGGA
GACGCATCGGAGACGGCGCTGCTCAAGTTCTCGGAGCTGACGCTGGGCAACGCCATGGGC
TACCGGGACCGCTTCCCAAAAGTCTGCGAGATACCCTTCAACTCCACCAACAAGTTCCAG
CTGTCCATCCATACGCTGGAGGACCCGCGGGACCCGCGACACTTGCTGGTGATGAAGGGC
GCCCCCGAGCGCGTGCTGGAGCGCTGCAGCTCCATCCTTATCAAGGGCCAGGAGCTGCCG
CTGGACGAGCAGTGGCGCGAGGCCTTCCAGACCGCCTACCTCAGCCTGGGAGGCCTGGGC
GAACGCGTGCTCGGCTTCTGCCAGCTCTACCTGAATGAGAAGGACTACCCGCCTGGCTAT
GCCTTCGACGTAGAGGCCATGAACTTTCCATCTAGCGGCCTCTGCTTTGCGGGACTTGTA
TCCATGATTGACCCACCCCGGGCCACCGTCCCTGATGCTGTGCTCAAGTGTCGCACCGCA
GGCATCCGGGTGATCATGGTAACGGGTGACCACCCCATCACCGCCAAGGCCATTGCAGCC
AGTGTGGGCATCATCTCGGAAGGCAGCGAGACAGTGGAGGACATCGCTGCCCGCCTCCGT
GTGCCCGTAGACCAGGTTAATCGCAAGGATGCCCGTGCCTGTGTGATCAATGGCATGCAG
CTGAAGGACATGGACCCATCGGAACTGGTCGAGGCCCTGCGCACCCACCCCGAGATGGTG
TTTGCGCGCACCAGCCCCCAGCAGAAGCTGGTGATCGTGGAGAGCTGCCAGCGGCTGGGT
GCGATTGTGGCCGTCACGGGGGATGGTGTGAATGACTCCCCAGCTCTGAAGAAGGCAGAC
ATCGGAGTAGCCATGGGCATCGCTGGCTCAGATGCTGCCAAAAATGCAGCTGACATGATC
CTGCTGGATGACAACTTTGCCTCCATTGTGACAGGCGTGGAGCAGGGTCGACTGATCTTC
GACAACCTGAAGAAGTCTATTGCCTACACATTGACCAAGAACATCCCAGAGCTGACACCC
TACCTCATCTACATCACCGTCAGCGTGCCCCTGCCCCTCGGGTGCATCACCATCCTCTTC
ATCGAACTCTGCACTGACATTTTCCCATCTGTGTCCCTGGCATATGAAAAGGCCGAGAGT
GACATCATGCACCTGCGTCCACGCAACCCAAAGCGTGACAGATTGGTCAACGAGCCCCTG
GCTGCCTACTCCTACTTCCAGATTGGTGCCATTCAGTCCTTTGCTGGCTTCACTGACTAC
TTCACGGCAATGGCCCAGGAGGGCTGGTTCCCACTGCTGTGCGTGGGGCTGCGGGCGCAG
TGGGAGGACCACCACCTACAAGATCTGCAGGACAGCTACGGCCAGGAGTGGACATTCGGG
CAGCGCCTGTACCAGCAGTACACCTGCTACACCGTGTTCTTCATCAGCATTGAGGTGTGC
CAGATCGCCGATGTCCTCATCCGCAAGACGCGCCGTCTCTCTGCCTTCCAGCAAGGCTTC
TTCAGGAATAAGATCCTGGTGATCGCCATCGTGTTCCAGGTCTGCATCGGCTGCTTCCTG
TGCTACTGCCCCGGCATGCCCAACATCTTCAACTTCATGCCCATTCGGTTCCAGTGGTGG
CTGGTCCCCCTGCCCTACGGCATCCTCATCTTCGTCTATGATGAGATCCGGAAGCTTGGA
GTTCGCTGTTGCCCAGGGAGCTGGTGGGACCAGGAACTCTACTATTAG
GenBank Gene IDJ05451
GeneCard IDNot Available
GenAtlas IDATP4A
HGNC IDHGNC:819
Chromosome Location19
Locus19q13.1
References
  1. Maeda M, Oshiman K, Tamura S, Futai M: Human gastric (H+ + K+)-ATPase gene. Similarity to (Na+ + K+)-ATPase genes in exon/intron organization but difference in control region. J Biol Chem. 1990 Jun 5;265(16):9027-32. 2160952
  2. Newman PR, Greeb J, Keeton TP, Reyes AA, Shull GE: Structure of the human gastric H,K-ATPase gene and comparison of the 5'-flanking sequences of the human and rat genes. DNA Cell Biol. 1990 Dec;9(10):749-62. 2176086
  3. Grimwood J, Gordon LA, Olsen A, Terry A, Schmutz J, Lamerdin J, Hellsten U, Goodstein D, Couronne O, Tran-Gyamfi M, Aerts A, Altherr M, Ashworth L, Bajorek E, Black S, Branscomb E, Caenepeel S, Carrano A, Caoile C, Chan YM, Christensen M, Cleland CA, Copeland A, Dalin E, Dehal P, Denys M, Detter JC, Escobar J, Flowers D, Fotopulos D, Garcia C, Georgescu AM, Glavina T, Gomez M, Gonzales E, Groza M, Hammon N, Hawkins T, Haydu L, Ho I, Huang W, Israni S, Jett J, Kadner K, Kimball H, Kobayashi A, Larionov V, Leem SH, Lopez F, Lou Y, Lowry S, Malfatti S, Martinez D, McCready P, Medina C, Morgan J, Nelson K, Nolan M, Ovcharenko I, Pitluck S, Pollard M, Popkie AP, Predki P, Quan G, Ramirez L, Rash S, Retterer J, Rodriguez A, Rogers S, Salamov A, Salazar A, She X, Smith D, Slezak T, Solovyev V, Thayer N, Tice H, Tsai M, Ustaszewska A, Vo N, Wagner M, Wheeler J, Wu K, Xie G, Yang J, Dubchak I, Furey TS, DeJong P, Dickson M, Gordon D, Eichler EE, Pennacchio LA, Richardson P, Stubbs L, Rokhsar DS, Myers RM, Rubin EM, Lucas SM: The DNA sequence and biology of human chromosome 19. Nature. 2004 Apr 1;428(6982):529-35. 15057824
  4. Sverdlov ED, Monastyrskaya GS, Broude NE, Ushkaryov YuA, Allikmets RL, Melkov AM, Smirnov YuV, Malyshev IV, Dulobova IE, Petrukhin KE, et al.: The family of human Na+,K+-ATPase genes. No less than five genes and/or pseudogenes related to the alpha-subunit. FEBS Lett. 1987 Jun 15;217(2):275-8. 3036582