Figure 3.

Electrostatic surface representations. (A) OIH-1; (B) Blich; and (C) TEM-1 in the same relative orientation, looking into the active site cleft. Negatively charged surface is colored red and positively charged surface is in blue.

Electrostatic surface representations. (A) OIH-1; (B) Blich; and (C) TEM-1 in the same relative orientation, looking into the active site cleft. Negatively charged surface is colored red and positively charged surface is in blue.