nonessential amino acid

Nonpolar-amino-acid-transporting ATPase

In enzymology, a nonpolar-amino-acid-transporting ATPase is an enzyme that catalyzes the chemical reaction

ATP + H2O + nonpolar amino acidout rightleftharpoons ADP + phosphate + nonpolar amino acidin

The 3 substrates of this enzyme are ATP, H2O, and nonpolar amino acid, whereas its 3 products are ADP, phosphate, and nonpolar amino acid.

This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides acting on acid anhydrides to catalyse transmembrane movement of substances. The systematic name of this enzyme class is ATP phosphohydrolase (nonpolar-amino-acid-transporting).


  • Kuan G, Dassa E, Saurin W, Hofnung M, Saier MH Jr "Phylogenetic analyses of the ATP-binding constituents of bacterial extracytoplasmic receptor-dependent ABC-type nutrient uptake permeases". Res. Microbiol. 146 271–8.
  • Saier MH Jr "Molecular phylogeny as a basis for the classification of transport proteins from bacteria, archaea and eukarya". Adv. Microb. Physiol. 40 81–136.
  • Griffiths JK and Sansom CE "The Transporter Factsbook, Academic Press, San Diego, 1998".

External links

Gene Ontology (GO) codes

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