Figure 6 - full size

 

Figure 6.
Figure 6. The Catalytic Mechanism of Carnitine AcyltransferasesThe catalytic His343 residue can extract the proton from either carnitine or CoA. The oxyanion in the tetrahedral intermediate is stabilized by interactions with carnitine and the side chain hydroxyl of Ser554.

The above figure is reprinted by permission from Cell Press: Cell (2003, 112, 113-122) copyright 2003.