[(2S,3R)-3-Amino-2-hydroxy-5-methyl-hexanoyl]-Val-Val-Asp-OH . HCl|Amastatin inhibits enzymatic activity of aminopeptidases in vivo and in vitro; it also exhibits vasoconstrictive/pressor activity.|C21H38N4O8 HCl|511.01||+4°C|Soluble in DMSO and acetic acid.