The pcd Gene Encoding Piperideine-6-Carboxylate Dehydrogenase Involved in Biosynthesis of α-Aminoadipic Acid Is Located in the Cephamycin Cluster of Streptomyces clavuligerus |
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| Authors: | Francisco J Prez-Llarena Antonio Rodríguez-García Francisco J Enguita Juan F Martín and Paloma Liras |
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| Institution: | Francisco J. Pérez-Llarena, Antonio Rodríguez-García, Francisco J. Enguita, Juan F. Martín, and Paloma Liras |
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| Abstract: | Three open reading frames (ORFs) have been located downstream of cefE in the cephamycin C gene cluster of Streptomyces clavuligerus. ORF13 (pcd) encodes a 496-amino-acid protein (molecular weight [MW], 52,488) with an N-terminal amino acid sequence identical to that of pure piperideine-6-carboxylate dehydrogenase. ORF14 (cmcT) encodes a 523-amino-acid protein (MW, 54,232) analogous to Streptomyces proteins for efflux and resistance to antibiotics. ORF15 (pbp74) encodes a high molecular weight penicillin-binding protein (MW, 74,094). |
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