Phosphorus-containing inhibitors of angiotensin-converting enzyme.
Thorsett, E D
Several phosphonamides, phosphoramides, and phosphates having the general structure R-Y-P(O)(OH)-X-CH(CH3)-CO-Pro have been synthesized and tested for inhibition of angiotensin-converting enzyme (dipeptidyl carboxypeptidase; peptidyl-dipeptide hydrolase, EC 184.108.40.206). Inhibition was found to depend on the nature of R, Y, and X such that the maximal effect was observed when X = NH, Y = CH2, and R = phi CH2 (50% inhibition at 7 nM). Substitution of CH2 or O at X and O at Y produced significantly less potent inhibitors. Groups shorter or longer than R = phi CH2 led to less active inhibitors, presumably due to nonoptimal interaction of the side chain with the S1 subsite.
ACESSO AO ARTIGOhttp://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=346153
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