Abstract
Beginning with a high affinity octapeptide substrate GLYASKLS-NH 2 ( 2, K m = 0.6 μM) a potent dipeptide Candida NMT inhibitor 18a (IC 50 = 20 nM) was identified. The structure-activity relationship studies suggest that the α-methyl group with an ( R) configuration at the benzylic position, imparts maximum selectivity and potency against Candida NMT. The synthetic design, chiral separation of the diastereomers 18a and 18b, and in vitro potency of this novel class of NMT inhibitors are described.
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