|Superclasses:||Reactions Classified By Conversion Type → Simple Reactions → Chemical Reactions → Transport Energised by P-P Bond Hydrolysis|
|Reactions Classified By Conversion Type → Simple Reactions → Transport Reactions → Transport Energised by P-P Bond Hydrolysis|
|Reactions Classified By Substrate → Small-Molecule Reactions|
EC Number: 18.104.22.168
Note that this reaction equation differs from the official Enzyme Commission reaction equations for this EC number.
Reaction Locations: inner membrane (sensu Gram-negative Bacteria)
The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the direction in which it was curated.
Most BioCyc compounds have been protonated to a reference pH value of 7.3. Please see the PGDB Concepts Guide for more information.
Mass balance status: Balanced.
Enzyme Commission Primary Name: K+-transporting ATPase
Enzyme Commission Synonyms: K+-translocating Kdp-ATPase, multi-subunit K+-transport ATPase
Enzyme Commission Summary:
A P-type ATPase that undergoes covalent phosphorylation during the transport cycle. A bacterial enzyme of di(heterotetrameric) structure that is involved in K+ import. The probable stoichiometry is one ion per ATP hydrolysed.
Gassel98: Gassel M, Siebers A, Epstein W, Altendorf K (1998). "Assembly of the Kdp complex, the multi-subunit K+-transport ATPase of Escherichia coli." Biochim Biophys Acta 1998;1415(1);77-84. PMID: 9858692
Siebers89: Siebers A, Altendorf K (1989). "Characterization of the phosphorylated intermediate of the K+-translocating Kdp-ATPase from Escherichia coli." J Biol Chem 1989;264(10);5831-8. PMID: 2522440
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