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Figure 2 | BMC Structural Biology

Figure 2

From: The backbone structure of the thermophilic Thermoanaerobacter tengcongensis ribose binding protein is essentially identical to its mesophilic E. coli homolog

Figure 2

Thermal denaturation of tteRBP and ecRBP determined by circular dichroism. (A) Thermal denaturation of tteRBP in 4 M GdCl in the absence (open squares) or presence of 1 mM ribose (black squares). Thermal denaturation of ecRBP in the absence (open circle) or presence of 1 mM ribose (black circles). Solid lines in (A) are fit to a two-state model [31, 32] which takes into account the native and denatured baseline slopes. (B) Extrapolated appT m of tteRBP in the absence (open squares) or presence of 1 mM ribose (black squares) obtained from a series of thermal melting curves at different GdCl concentrations. Solid lines represent linear fits to the observations.

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