The Enzyme Database

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EC 7.4.2.2     
Accepted name: ABC-type nonpolar-amino-acid transporter
Reaction: ATP + H2O + nonpolar amino acid-[nonpolar amino acid-binding protein][side 1] = ADP + phosphate + nonpolar amino acid[side 2] + [nonpolar amino acid-binding protein][side 1]
Other name(s): nonpolar-amino-acid-transporting ATPase
Systematic name: ATP phosphohydrolase (ABC-type, nonpolar-amino-acid-importing)
Comments: An ATP-binding cassette (ABC) type transporter, characterized by the presence of two similar ATP-binding domains/proteins and two integral membrane domains/proteins. The enzyme, found in bacteria, interacts with an extracytoplasmic substrate binding protein. This entry comprises enzymes that import Leu, Ile and Val.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Kuan, G., Dassa, E., Saurin, N., Hofnung, M. and Saier, M.H., Jr. Phylogenetic analyses of the ATP-binding constituents of bacterial extracytoplasmic receptor-dependent ABC-type nutrient uptake permeases. Res. Microbiol. 146 (1995) 271–278. [DOI] [PMID: 7569321]
2.  Saier, M.H., Jr. Molecular phylogeny as a basis for the classification of transport proteins from bacteria, archaea and eukarya. Adv. Microb. Physiol. 40 (1998) 81–136. [PMID: 9889977]
3.  Griffiths, J.K. and Sansom, C.E. The Transporter Factsbook, Academic Press, San Diego, 1998.
[EC 7.4.2.2 created 2000 as EC 3.6.3.22, transferred 2018 to EC 7.4.2.2]
 
 


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