Cover Caption

A molecule of (R)-(--)-1,2,3,4-tetrahydro-1-naphthol [(R)-(--)-THN] (A) is shown docked into the homology model of the active site of AST IV; and the proximity of the side chains of Phe77, Phe138, and Tyr236 to the position of (R)-(--)-THN in A is highlighted (B). See the article by Sheng et al. on page 559 of this issue.