The Enzyme Database

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EC 7.2.2.11     
Accepted name: ABC-type Ni2+ transporter
Reaction: ATP + H2O + Ni2+-[nickel-binding protein][side 1] = ADP + phosphate + Ni2+[side 2] + [nickel-binding protein][side 1]
Other name(s): nickel ABC transporter; nickel-transporting ATPase; ABC-type nickel-transporter
Systematic name: ATP phosphohydrolase (ABC-type, Ni2+-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. A bacterial enzyme that interacts with an extracytoplasmic substrate binding protein and mediates the high affinity uptake of Ni2+; the identity of the nickel species transported has not been conclusively established. Does not undergo phosphorylation during the transport process.
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.  Hendricks, J.K. and Mobley, H.L. Helicobacter pylori ABC transporter: effect of allelic exchange mutagenesis on urease activity. J. Bacteriol. 179 (1997) 5892–5902. [DOI] [PMID: 9294450]
3.  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]
4.  Griffiths, J.K. and Sansom, C.E. The Transporter Factsbook, Academic Press, San Diego, 1998.
[EC 7.2.2.11 created 2000 as EC 3.6.3.24, transferred 2018 to EC 7.2.2.11]
 
 


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