1eau
From Proteopedia
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NONPEPTIDIC INHIBITORS OF HUMAN LEUKOCYTE ELASTASE. 6. DESIGN OF A POTENT, INTRATRACHEALLY ACTIVE, PYRIDONE-BASED TRIFLUOROMETHYL KETONE
Overview
Further modification of the 3-amino substituent in a trifluoromethyl, ketone-based series of 3-amino-6-phenylpyridin-2-ones that had been, optimized for oral activity led to analogs that were potent intratracheal, inhibitors in a model of HLE-induced lung damage in the hamster. The best, 3-amino substituent for intratracheal activity is, [4-[N-[(4-chlorophenyl)sulfonyl]-carbamoyl]phenyl]sulfonyl. At a 30 min, prechallenge interval, compound 9, which incorporates this substituent, had an ED50 of approximately 2 nmol/animal and, qualitatively, afforded a, very similar dose-response relationship to that found with a peptidic, trifluoromethyl ketone inhibitor, ICI 200,355.
About this Structure
1EAU is a Single protein structure of sequence from Sus scrofa with NA, SO4 and BDK as ligands. Active as Pancreatic elastase, with EC number 3.4.21.36 Full crystallographic information is available from OCA.
Reference
Nonpeptidic inhibitors of human leukocyte elastase. 6. Design of a potent, intratracheally active, pyridone-based trifluoromethyl ketone., Bernstein PR, Gomes BC, Kosmider BJ, Vacek EP, Williams JC, J Med Chem. 1995 Jan 6;38(1):212-5. PMID:7837235
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