The Enzyme Database

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EC 7.6.2.11     
Accepted name: ABC-type polyamine transporter
Reaction: ATP + H2O + polyamine-[polyamine-binding protein][side 1] = ADP + phosphate + polyamine[side 2] + [polyamine-binding protein][side 1]
Other name(s): polyamine ABC transporter; polyamine-transporting ATPase
Systematic name: ATP phosphohydrolase (ABC-type, polyamine-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. Does not undergo phosphorylation during the transport process. A bacterial enzyme that imports putrescine and spermidine. In Escherichia coli the enzyme imports spermidine preferentially.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Kashiwagi, K., Miyamoto, S., Nukui, E., Kobayashi, H. and Igarashi, K. Functions of potA and potD proteins in spermidine - preferential uptake system in Escherichia coli. J. Biol. Chem. 268 (1993) 19358–19363. [PMID: 8366082]
2.  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]
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]
[EC 7.6.2.11 created 2000 as EC 3.6.3.31, transferred 2018 to EC 7.6.2.11]
 
 


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