Introduction of Pro and its analogues in the conserved P1' position of trypsin inhibitor SFTI-1 retains its inhibitory activity.


A number of monocyclic SFTI-1 analogues modified in the conserved inhibitor P1' position by Pro, its L-hydroxyproline (Hyp) derivative as well as mimetics with different ring size were synthesized by the solid-phase method. Replacement of Ser6 by Pro, Hyp, and a four-member ring, L-azetidine-2-carboxylic acid (Aze), retained trypsin or chymotrypsin… (More)


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