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Abstract :
[en] This endopeptidase was identified as a zinc enzyme and has been given the name zinc-D-Ala-D-Ala carboxypeptidase. It contains 1 mol of zinc per 18,000 Da protein mol., the apoprotein binds Zn2+ with Ka of 2 × 1014M-1 and the Zn2+ cofactor is required for activity. The activity and specificity, structural chem., and prepn. of zinc-D-Ala-D-Ala carboxypeptidase are discussed.
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