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    Appl Environ Microbiol. 1993 Nov;59(11):3978-80.

    Nylon oligomer degradation gene, nylC, on plasmid pOAD2 from a Flavobacterium strain encodes endo-type 6-aminohexanoate oligomer hydrolase: purification and characterization of the nylC gene product.

    Source

    Department of Biotechnology, Osaka University, Japan.

    Abstract

    A new type of nylon oligomer degradation enzyme (EIII) was purified from an Escherichia coli clone harboring the EIII gene (nylC). This enzyme hydrolyzed the linear trimer, tetramer, and pentamer of 6-aminohexanoate by an endo-type reaction, and this specificity is different from that of the EI (nylA gene product) and EII (nylB gene product). Amino acid sequencing and sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the purified EIII demonstrated that the enzyme is made of two polypeptide chains arising from an internal cleavage between amino acid residues 266 and 267.

    PMID:
    8285701
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC182563
    Free PMC Article

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