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  • Title: Cloning of L-amino acid deaminase gene from Proteus vulgaris.
    Author: Takahashi E, Ito K, Yoshimoto T.
    Journal: Biosci Biotechnol Biochem; 1999 Dec; 63(12):2244-7. PubMed ID: 10664862.
    Abstract:
    The L-amino acid degrading enzyme gene from Proteus vulgaris was cloned and the nucleotide sequence of the enzyme gene was clarified. An open reading frame of 1,413 bp starting at an ATG methionine codon was found, which encodes a protein of 471 amino acid residues, the calculated molecular weight of which is 51,518. The amino acid sequence of P. vulgaris was 58.6% identical with the L-amino acid deaminase of P. mirabilis. A significantly conserved sequence was found around the FAD-binding sequence of flavo-proteins. The partially purified wild and recombinant enzymes had the same substrate specificity for L-amino acids to form the respective keto-acids, however not for D-amino acids.
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