Endogenous inhibitor of angiotensin converting enzyme in the rat heart.


We have identified a substance in the rat heart which inhibits ACE. This substance was characterized to be a sulfhydryl (SH) protein, the SH moiety being essential for the inhibitory activity. The inhibitory activity disappeared when the extract was boiled, or the ultrafiltrate(mol.wt.less than 10,000) was used, or when the extract was pretreated with the… (More)


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