| 摘要 |
A microprotein containing 28 amino acids of the formula <IMAGE> wherein the X in position 4 is a residue of a member of the group consisting of valine, leucine, isoleucine, norleucine, alanine, cyclohexylalanine, o-methylthreonine, phenylglycine or alpha -amino butyric acid, Arginine, Y in position 5 is a residue of isoleucine or serine, Z in position 7 is a residue of methionine or norleucine, with the proviso that Z is a norleucine residue when X is an Arginine residue, having anti-elastase activity.
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