Monica A. Totir

High Resolution Crystal Structures of the trans-Enamine Intermediates Formed by Sulbactam and Clavulanic Acid and E166A SHV-1 β-Lactamase

Pius S. Padayatti, Marion S. Helfand, Monica A. Totir et al. · Journal of Biological Chemistry · 2005 · 72 citations · Full text

Tazobactam Forms a Stoichiometric <i>trans</i>-Enamine Intermediate in the E166A Variant of SHV-1 β-Lactamase:  1.63 Å Crystal Structure^,

Pius S. Padayatti, Marion S. Helfand, Monica A. Totir et al. · Biochemistry · 2004 · 69 citations

Following the Reactions of Mechanism-Based Inhibitors with β-Lactamase by Raman Crystallography

Marion S. Helfand, Monica A. Totir, Marianne P. Carey et al. · Biochemistry · 2003 · 67 citations

Rational Design of a β-Lactamase Inhibitor Achieved via Stabilization of the <i>trans</i>-Enamine Intermediate:  1.28 Å Crystal Structure of <i>wt</i> SHV-1 Complex with a Penam Sulfone

Pius S. Padayatti, Anjaneyulu Sheri, Monica A. Totir et al. · Journal of the American Chemical Society · 2006 · 53 citations · Full text

Effect of the Inhibitor-Resistant M69V Substitution on the Structures and Populations of <i>trans</i>-Enamine β-Lactamase Intermediates

Monica A. Totir, Pius S. Padayatti, Marion S. Helfand et al. · Biochemistry · 2006 · 50 citations · Full text