Abstract
This review article defines suicide substrates as a class of irreversible inactivators of specific target enzymes where the target enzyme participates in its own destruction by catalytic unmasking of a latent functional group at some stage in the catalytic cycle of the enzyme. Criteria for evaluation of suicide substrates are presented. Then, examples of the various types of latent functional groups and their likely enzymic routes of activation are presented for both natural and synthetic compounds. These examples include gabaculine, secobarbital, allopurinol, clavulanate and penicillin sulfones, tranylcypramine, rhizobitoxin, fluoroalanine, 5-fluorodeoxyuridylate and mitomycin.
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