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Wilde, Thomas C; Blotny, Grzegorz; Pollack, Ralph M (2008) Experimental evidence for enzyme-enhanced coupled motion/quantum mechanical hydrogen tunneling by ketosteroid isomerase. J Am Chem Soc 130:6577-85
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Pollack, Ralph M (2004) Enzymatic mechanisms for catalysis of enolization: ketosteroid isomerase. Bioorg Chem 32:341-53
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Petrounia, I P; Blotny, G; Pollack, R M (2000) Binding of 2-naphthols to D38E mutants of 3-oxo-Delta 5-steroid isomerase: variation of ligand ionization state with the nature of the electrophilic component. Biochemistry 39:110-6
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Henot, F; Pollack, R M (2000) Catalytic activity of the D38A mutant of 3-oxo-Delta 5-steroid isomerase: recruitment of aspartate-99 as the base. Biochemistry 39:3351-9
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Pollack, R M; Thornburg, L D; Wu, Z R et al. (1999) Mechanistic insights from the three-dimensional structure of 3-oxo-Delta(5)-steroid isomerase. Arch Biochem Biophys 370:9-15
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Petrounia, I P; Pollack, R M (1998) Substituent effects on the binding of phenols to the D38N mutant of 3-oxo-delta5-steroid isomerase. A probe for the nature of hydrogen bonding to the intermediate. Biochemistry 37:700-5
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Thornburg, L D; Henot, F; Bash, D P et al. (1998) Electrophilic assistance by Asp-99 of 3-oxo-Delta 5-steroid isomerase. Biochemistry 37:10499-506
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Qi, L; Pollack, R M (1998) Catalytic contribution of phenylalanine-101 of 3-oxo-Delta 5-steroid isomerase. Biochemistry 37:6760-6
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Wu, Z R; Ebrahimian, S; Zawrotny, M E et al. (1997) Solution structure of 3-oxo-delta5-steroid isomerase. Science 276:415-8
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Zawrotny, M E; Hawkinson, D C; Blotny, G et al. (1996) Mechanism of proton transfer in the isomerization of 5-androstene-3, 17-dione by 3-oxo-delta 5-steroid isomerase and its D38E mutant. Biochemistry 35:6438-42
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