Figure 6 - full size

 

Figure 6.
Figure 6 Interactions of nucleophile, base and phosphate group. Interactions which might occur in a general base-catalysed reaction mechanism via: (A) the observed structure of the ternary complex and (B) an alternative conformation modelled by giving the attacking serine residue a 1 angle of -60°.

The above figure is reprinted from an Open Access publication published by Macmillan Publishers Ltd: EMBO J (1997, 16, 6646-6658) copyright 1997.