Identification
HMDB Protein ID CDBP01221
Secondary Accession Numbers Not Available
Name Potassium-transporting ATPase alpha chain 2
Description Not Available
Synonyms
  1. Non-gastric H(+)/K(+) ATPase subunit alpha
  2. Proton pump
Gene Name ATP12A
Protein Type Enzyme
Biological Properties
General Function Involved in ATP binding
Specific Function Catalyzes the hydrolysis of ATP coupled with the exchange of H(+) and K(+) ions across the plasma membrane. Responsible for potassium absorption in various tissues.
GO Classification
Biological Process
ATP biosynthetic process
ion transmembrane transport
potassium ion homeostasis
response to metal ion
response to organic cyclic compound
Cellular Component
hydrogen:potassium-exchanging ATPase complex
apical plasma membrane
Component
membrane
cell part
membrane part
intrinsic to membrane
integral to membrane
Function
atpase activity, coupled to transmembrane movement of ions, phosphorylative mechanism
binding
hydrolase activity, acting on acid anhydrides, catalyzing transmembrane movement of substances
catalytic activity
hydrolase activity, acting on acid anhydrides
hydrolase activity
nucleoside binding
purine nucleoside binding
adenyl nucleotide binding
adenyl ribonucleotide binding
atp binding
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
transporter activity
atpase activity, coupled to transmembrane movement of ions
Molecular Function
metal ion binding
ATP binding
hydrogen:potassium-exchanging ATPase activity
Process
nucleotide metabolic process
establishment of localization
transport
monovalent inorganic cation transport
ion transport
atp biosynthetic process
cation transport
purine nucleotide metabolic process
purine nucleotide biosynthetic process
purine nucleoside triphosphate biosynthetic process
purine ribonucleoside triphosphate biosynthetic process
metabolic process
nitrogen compound metabolic process
cellular nitrogen compound metabolic process
nucleobase, nucleoside, nucleotide and nucleic acid metabolic process
nucleobase, nucleoside and nucleotide metabolic process
nucleoside phosphate metabolic process
Cellular Location
  1. Membrane
  2. Multi-pass membrane protein
Pathways
Gene Properties
Chromosome Location 13
Locus 13q12.1-q12.3
SNPs ATP12A
Gene Sequence
>3120 bp
ATGCACCAGAAAACCCCAGAAATTTACTCCGTGGAGCTCAGCGGAACTAAGGACATCGTG
AAAACAGACAAGGGGGATGGCAAGGAGAAGTATAGGGGTCTGAAGAACAACTGCCTGGAA
CTCAAAAAGAAAAATCACAAAGAGGAGTTTCAGAAAGAACTCCATCTGGATGACCACAAA
CTCAGCAATAGGGAATTGGAAGAGAAATATGGCACAGACATCATTATGGGTCTCTCCAGC
ACCAGAGCTGCCGAGCTCCTGGCCCGGGATGGGCCCAACTCCCTCACCCCTCCCAAGCAG
ACGCCTGAGATCGTCAAGTTCCTCAAGCAGATGGTGGGGGGGTTCTCTATCCTCCTGTGG
GTGGGCGCCTTTCTCTGTTGGATTGCATATGGGATTCAGTACTCCAGCGACAAGTCTGCA
TCCCTGAACAACGTGTACTTGGGCTGTGTGCTTGGTCTGGTGGTCATTTTAACGGGGATC
TTTGCTTATTACCAAGAGGCAAAAAGCACCAACATCATGTCCAGCTTCAATAAGATGATC
CCTCAGCAAGCTCTCGTCATCCGAGATTCCGAGAAGAAGACCATCCCTTCAGAGCAGCTG
GTGGTGGGGGACATTGTGGAGGTCAAAGGAGGAGACCAGATCCCTGCAGACATCAGGGTG
CTGTCTTCTCAGGGGTGTCGGGTGGATAACTCATCTCTCACGGGGGAGTCTGAGCCCCAG
CCCCGCTCCTCTGAGTTTACCCATGAAAACCCCCTGGAAACAAAGAACATCTGCTTCTAT
TCCACAACGTGTCTGGAAGGCACTGTCACCGGCATGGTTATCAACACGGGTGACCGCACC
ATCATTGGCCATATTGCCTCATTGGCCTCAGGAGTTGGAAATGAGAAGACGCCCATTGCC
ATTGAGATCGAGCACTTTGTTCACATTGTGGCAGGAGTGGCTGTCTCCATCGGCATCCTT
TTCTTCATCATCGCTGTGTCCCTGAAGTATCAAGTCCTGGACTCCATCATCTTCCTCATT
GGCATCATTGTGGCCAATGTGCCCGAGGGCCTCCTGGCCACTGTCACTGTGACCCTGTCG
CTGACAGCAAAACGGATGGCCAAGAAGAACTGCCTGGTGAAGAACCTGGAGGCTGTGGAG
ACCCTCGGCTCCACCTCCATCATCTGCTCGGACAAGACTGGGACACTGACCCAGAACAGG
ATGACAGTGGCCCATCTGTGGTTCGACAATCAGATCTTTGTGGCTGACACCAGTGAGGAC
CATTCAAACCAAGTCTTTGACCAAAGCTCTAGGACTTGGGCCTCCTTATCCAAGATAATA
ACATTGTGTAACCGAGCAGAGTTCAAGCCAGGACAGGAAAATGTCCCCATCATGAAGAAA
GCTGTGATTGGAGATGCCTCAGAAACTGCTCTTTTAAAATTCTCAGAGGTCATTTTGGGT
GATGTGATGGAAATTAGAAAAAGAAACCGCAAAGTAGCTGAAATCCCTTTTAACTCTACT
AATAAATTTCAGCTCTCCATCCACGAGATGGATGACCCCCACGGCAAGCGCTTCCTCATG
GTGATGAAGGGGGCCCCTGAGCGCATTCTAGAGAAATGCAGCACCATCATGATCAACGGC
GAGGAGCACCCACTGGACAAGAGCACTGCCAAGACCTTCCACACAGCCTACATGGAGCTG
GGCGGGTTGGGCGAGCGTGTGCTGGGTTTCTGTCATCTCTACCTGCCAGCAGACGAGTTT
CCAGAAACCTACTCATTTGACATAGACGCTATGAACTTTCCGACCTCCAACCTCTGTTTT
GTGGGACTCTTGTCAATGATCGATCCCCCTCGGTCCACCGTGCCAGATGCAGTCACCAAA
TGCCGGAGTGCAGGGATCAAGGTTATTATGGTTACTGGTGATCATCCCATCACAGCCAAA
GCTATTGCCAAGAGTGTGGGGATCATTTCAGCCAACAGTGAAACAGTGGAAGACATTGCA
CATCGCCTCAACATTGCTGTGGAGCAAGTTAACAAACGGGATGCCAAGGCCGCTGTGGTG
ACTGGCATGGAGCTGAAGGACATGAGCTCAGAACAGCTGGATGAGATCTTAGCCAACTAC
CAGGAGATTGTCTTTGCCCGGACATCCCCCCAGCAGAAGCTGATCATTGTGGAGGGCTGT
CAGAGGCAGGATGCTGTTGTTGCTGTGACCGGGGATGGAGTTAATGACTCTCCGGCTCTA
AAGAAGGCAGACATTGGGATTGCCATGGGGATAGCAGGTTCTGATGCAGCCAAAAATGCA
GCCGACATGGTCTTGCTGGACGACAACTTCGCATCCATCGTCACAGGGGTGGAGGAAGGT
CGCCTGATCTTTGACAACCTCAAGAAGACTATTGCTTATTCCCTGACCAAGAACATTGCC
GAGCTGTGCCCCTTTCTGATCTACATCATTGTCGGGCTCCCCCTGCCCATTGGCACCATC
ACCATTCTGTTCATTGACTTGGGGACAGACATTATCCCCTCCATTGCCTTGGCGTACGAG
AAAGCTGAAAGTGACATCATGAACAGGAAGCCTCGCCACAAGAATAAGGACAGGCTGGTG
AACCAGCCGCTCGCTGTGTACTCATACCTGCACATTGGCCTCATGCAAGCCCTGGGAGCT
TTCCTTGTGTATTTCACCGTCTATGCACAAGAGGGCTTTCTGCCCCGCACTCTCATTAAC
CTGCGGGTAGAATGGGAGAAGGACTACGTGAATGACTTGAAAGACAGCTATGGGCAGGAA
TGGACAAGGTACCAGAGGGAATACCTAGAATGGACGGGCTACACGGCTTTCTTTGTTGGC
ATCCTAGTCCAGCAAATAGCAGATCTGATCATCAGGAAAACCCGGAGGAATTCCATCTTC
CAGCAGGGTCTCTTCAGAAATAAAGTCATCTGGGTGGGGATCACCTCACAGATCATCATT
GGTCTGATCCTCTCCTATGGCCTCGGAAGTGTCACAGCCTTGAGTTTCACCATGCTTAGG
GCTCAGTACTGGTTTGTGGCTGTGCCGCACGCCATCCTGATCTGGGTGTATGATGAGGTG
CGGAAGCTCTTCATCAGGCTCTACCCTGGAAGCTGGTGGGATAAGAACATGTATTATTAA
Protein Properties
Number of Residues 1039
Molecular Weight 116052.03
Theoretical pI 6.551
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Potassium-transporting ATPase alpha chain 2
MHQKTPEIYSVELSGTKDIVKTDKGDGKEKYRGLKNNCLELKKKNHKEEFQKELHLDDHK
LSNRELEEKYGTDIIMGLSSTRAAELLARDGPNSLTPPKQTPEIVKFLKQMVGGFSILLW
VGAFLCWIAYGIQYSSDKSASLNNVYLGCVLGLVVILTGIFAYYQEAKSTNIMSSFNKMI
PQQALVIRDSEKKTIPSEQLVVGDIVEVKGGDQIPADIRVLSSQGCRVDNSSLTGESEPQ
PRSSEFTHENPLETKNICFYSTTCLEGTVTGMVINTGDRTIIGHIASLASGVGNEKTPIA
IEIEHFVHIVAGVAVSIGILFFIIAVSLKYQVLDSIIFLIGIIVANVPEGLLATVTVTLS
LTAKRMAKKNCLVKNLEAVETLGSTSIICSDKTGTLTQNRMTVAHLWFDNQIFVADTSED
HSNQVFDQSSRTWASLSKIITLCNRAEFKPGQENVPIMKKAVIGDASETALLKFSEVILG
DVMEIRKRNRKVAEIPFNSTNKFQLSIHEMDDPHGKRFLMVMKGAPERILEKCSTIMING
EEHPLDKSTAKTFHTAYMELGGLGERVLGFCHLYLPADEFPETYSFDIDAMNFPTSNLCF
VGLLSMIDPPRSTVPDAVTKCRSAGIKVIMVTGDHPITAKAIAKSVGIISANSETVEDIA
HRLNIAVEQVNKRDAKAAVVTGMELKDMSSEQLDEILANYQEIVFARTSPQQKLIIVEGC
QRQDAVVAVTGDGVNDSPALKKADIGIAMGIAGSDAAKNAADMVLLDDNFASIVTGVEEG
RLIFDNLKKTIAYSLTKNIAELCPFLIYIIVGLPLPIGTITILFIDLGTDIIPSIALAYE
KAESDIMNRKPRHKNKDRLVNQPLAVYSYLHIGLMQALGAFLVYFTVYAQEGFLPRTLIN
LRVEWEKDYVNDLKDSYGQEWTRYQREYLEWTGYTAFFVGILVQQIADLIIRKTRRNSIF
QQGLFRNKVIWVGITSQIIIGLILSYGLGSVTALSFTMLRAQYWFVAVPHAILIWVYDEV
RKLFIRLYPGSWWDKNMYY
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID P54707
UniProtKB/Swiss-Prot Entry Name AT12A_HUMAN
PDB IDs Not Available
GenBank Gene ID U02076
GeneCard ID ATP12A
GenAtlas ID ATP12A
HGNC ID HGNC:13816
References
General References Not Available