Epimer of amastatin at the 2-position. There are no reports of aminopeptidase inhibition by this epimer; on the contrary, there are suggestions that a 2S-hydroxyl group is important for the stability of an initial collision complex with the enzyme.
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Bottomless glass bottle. Contents are inside inserted fused cone.
Journal of medicinal chemistry, 27(4), 417-422 (1984-04-01)
Amastatin [(2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl-L-valyl-L-valyl-L- aspartic acid] and bestatin [(2S,3R)-3-amino-2-hydroxy-4-phenylbutanoyl-L-leucine] are slow-binding, competitive inhibitors of aminopeptidase M (AP-M) with net inhibition constants (Ki) of 1.9 X 10(-8) and 4.1 X 10(-6) M, respectively. The effect of inhibitor structure on net Ki and on
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