1B0F:
reference: Inhibition of human neutrophil elastase. 4. Design, synthesis, X-ray crystallographic analysis, and structure-activity relationships for a series of P2-modified, orally active peptidyl pentafluoroethyl ketones., Cregge RJ, Durham SL, Farr RA, Gallion SL, Hare CM, Hoffman RV, Janusz MJ, Kim HO, Koehl JR, Mehdi S, Metz WA, Peet NP, Pelton JT, Schreuder HA, Sunder S, Tardif C, J Med Chem 1998 Jul 2;41(14):2461-80. PMID: 9651152

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).