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    Biochem J. 1969 Jun;113(2):377-86.

    An aspartic acid residue at the active site of pepsin. The isolation and sequence of the heptapeptide.

    Bayliss RS, Knowles JR, Wybrandt GB.

    Pepsin reacts stoicheiometrically with the active-site-directed irreversible inhibitor N-diazoacetyl-l-phenylalanine methyl ester, with concomitant loss of all proteolytic and peptidolytic activity. The reagent esterifies a unique aspartic acid residue in pepsin, which is in the sequence:Ile-Val-Asp-Thr-Gly-Thr-Ser

    PMID: 4897201 [PubMed - indexed for MEDLINE]

    PMCID: 1184645

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