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

Figure 6

Charged residues forming ion pairs in the dimer of ST1805-CS (a) and ST0587-CS (b). Polypeptide chains are represented as a cylinder model. The positively and negatively charged residues are drawn as a line model and colored blue and red, respectively.

(a)

(b)