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  • Title: Affinity chromatography of angiotensin I-converting enzyme from rabbit lung using hippurylhistidylleucyl-OH.
    Author: Nishimura K, Hiwada K, Ueda E, Kokubu T.
    Journal: Biochim Biophys Acta; 1976 Aug 12; 445(1):158-60. PubMed ID: 182272.
    Abstract:
    Approximately 50-fold purification of angiotensin I-converting enzyme (Peptidyldipeptide hydrolase, EC 3.4.15.1) from rabbit lung was achieved by affinity chromatography using the synthetic substrate Hippuryl-His-Leu-OH. The specific activity of the enzyme was increased from 0.044 units/mg protein to 1.911 units/mg protein for Hippuryl-His-Leu-OH and from 0.33 nmol/min per mg protein to 13.8 nmol/min per mg protein for angiotensin I.
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