1999
DOI: 10.1042/bj3400793
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Purification, characterization, DNA sequence and cloning of a pimeloyl-CoA synthetase from Pseudomonas mendocina 35

Abstract: A pimeloyl-CoA synthetase from Pseudomonas mendocina 35 was purified and characterized, the DNA sequence determined, and the gene cloned into Escherichia coli to yield an active enzyme. The purified enzyme had a pH optimum of $ 8.0, K m values of 0.49 mM for pimelic acid, 0.18 mM for CoA and 0.72 mM for ATP, a subunit M r of $ 80 000 as determined by SDS\PAGE, and was found to be a tetramer by gel-filtration chromatography. The specific activity of the purified enzyme was 77.3 units\mg of protein. The enzyme w… Show more

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Cited by 16 publications
(10 citation statements)
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“…strain HR167. In addition, the FerA amino acid sequence did show 31% identity with pimeloyl-CoA synthetase of Pseudomonas mendocina 35, which is involved in biotin synthesis (3).…”
Section: Resultsmentioning
confidence: 99%
“…strain HR167. In addition, the FerA amino acid sequence did show 31% identity with pimeloyl-CoA synthetase of Pseudomonas mendocina 35, which is involved in biotin synthesis (3).…”
Section: Resultsmentioning
confidence: 99%
“…BioW and BioC represent two major types of enzymes involved in the synthesis of pimeloylCoA, a biotin precursor. Moreover, another type of pimeloylCoA synthetase, namely, PauA, was found recently in Pseudomonas mendocina (Binieda et al 1999). In contrast to BioW, PauA belongs to the newly recognized superfamily of acylCoA synthetases (Sanchez et al 2000) and is involved in catabolism rather than biosynthesis.…”
Section: Discussionmentioning
confidence: 99%
“…Acyl-CoA ligases involved in the b-oxidation of fatty acids, including FadD from E. coli (Kameda & Nunn, 1981), have been described that are active with a broad range of fatty acids; however, these enzymes were not reported to have been tested for activity with dicarboxylic acids. Pimelyl-CoA is the first committed intermediate in the synthesis of the vitamin biotin, and several pimelate-CoA ligases have been purified and characterized in the course of efforts to develop a biotechnological process for the production of biotin (Binieda et al, 1999;Ploux et al, 1992). PimA shares approximately 30 % amino acid identity with these proteins, but the region of identity is mainly confined to the shared AMPbinding domain common to CoA ligases.…”
Section: Discussionmentioning
confidence: 99%