Figure 5.
Figure 5. Detailed mechanism for 43C9. The crystallo-
graphic structures reveal a possible proton shuttle sys-
tem involving Tyr L36 and Tyr H95 and indicate that
His H35 assists transition-state stabilization, adding to
the previously proposed mechanism (Stewart et al.,
1994a).
The above figure is reprinted
by permission from Elsevier:
J Mol Biol
(1999,
291,
329-345)
copyright 1999.
