The Enzyme Database

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EC 3.6.3.34     
Accepted name: iron-chelate-transporting ATPase
Reaction: ATP + H2O + iron chelateout = ADP + phosphate + iron chelatein
Systematic name: ATP phosphohydrolase (iron-chelate-importing)
Comments: ABC-type (ATP-binding cassette-type) ATPase, characterized by the presence of two similar ATP-binding domains. Does not undergo phosphorylation during the transport process. A bacterial enzyme that imports Fe-enterobactin, Fe-dicitrate, Fe-hydroxamate and other siderophores.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Shea, C.M. and McIntosh, M.A. Nucleotide sequence and genetic organization of the ferric enterobactin transport system: homology to other periplasmic binding-protein-dependent systems in Escherichia coli. Mol. Microbiol. 5 (1991) 1415–1428. [PMID: 1838574]
2.  Koster, W. and Böhm, B. Point mutations in two conserved glycine residues within the integral membrane protein FhuB affect iron(III) hydroxamate transport. Mol. Gen. Genet. 232 (1992) 399–407. [PMID: 1588908]
3.  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. [PMID: 7569321]
4.  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]
5.  Mademidis, A. and Koster, W. Transport activity of FhuA, F huC, FhuD and FhuB derivatives in a system free of polar effects, and stoichiometry of components involved in ferrichrome uptake. Mol. Gen. Genet. 258 (1998) 156–165. [PMID: 9613584]
[EC 3.6.3.34 created 2000]
 
 


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