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A novel zinc-containing alpha-keto ester reductase from actinomycete: an approach based on protein chemistry and bioinformatics. | LitMetric

AI Article Synopsis

Article Abstract

We have achieved the purification of an alpha-keto ester reductase (SCKER) from S. coelicolor A3(2) whole cells. SCKER proved to be a homotetramer of 132 kDa containing one equivalent of zinc ion per subunit. The enzyme differed from other alpha-keto ester reductases from microorganisms with regard to subunit structure and metal ion dependency. From a computer search using the protein data banks, the N-terminal amino acid sequence of SCKER was consistent with that of a possible zinc containing alcohol dehydrogenase in S. coelicolor A3(2). None of three hypothetical proteins of S. coelocor A3(2) having a high homology sequence with those of already purified alpha-keto ester reductases from S. thermocyaneoviolaceus [Yamaguchi, H., et al., Biosci. Biotechnol. Biochem., 66, 588-597 (2002)] was identical with that of SCKER.

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http://dx.doi.org/10.1271/bbb.68.2120DOI Listing

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