1BXO: Acid Proteinase (Penicillopepsin) (E.C.3.4.23.20) Complex Wi Phosphonate Inhibitor: Methyl Cyclo[(2s)-2-[[(1r)-1-(N-(L-N Methylbutanoyl)Valyl-L-Aspartyl)Amino)-3-Methylbut Yl] Hydroxyphosphinyloxy]-3-(3-Aminomethyl) Phenylpropanoate
reference: Lowering the entropic barrier for binding conformationally flexible inhibitors to enzymes., Khan AR, Parrish JC, Fraser ME, Smith WW, Bartlett PA, James MN, Biochemistry 1998 Dec 1;37(48):16839-45. PMID: 9836576

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