Figure 5
Oxyanion binding at the entrance to the orthosteric site. The polypeptide is shown in ribbon format coloured grey for the principal subunit, which is also marked (+). The complementary side (−) is coloured cyan. Specific residue side chains are shown as sticks with C-atom positions coloured according to the subunit to which they belong, O atoms in red, N atoms in blue, the P atom in orange and C atoms of compound 1 coloured black. Blue dashed lines represent potential hydrogen-bonding interactions. |