Crystal Structures of Two Isozymes of Citrate Synthase from Sulfolobus tokodaii Strain 7

Figure 5

View in the active site of ST1805-CS (a) and ST0587-CS (b), respectively. Polypeptide chains are drawn in a ribbon model. (c) Schematic diagram of ligand binding mode in the active site of ST1805-CS. Oxygen, nitrogen, and sulfur atoms are shown in red, blue, and orange, respectively. Dotted lines indicate hydrogen bonds.

(a)

(b)

(c)