FIG. 2.

Excess heat capacity of the EF-2 proteins from M. burtonii (solid lines) and M. thermophila (dotted lines) versus temperature at scan rates of 1.5 (A) and 0.1 (B) K/min. Measurements were performed in 20 mM MOPS (pH 7.5) and 1 mM β-mercaptoethanol.