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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Biochim Biophys Acta. 2014 Apr 26;1844(9):1453–1462. doi: 10.1016/j.bbapap.2014.04.015

Table 2.

Thermodynamic parameters for SAM binding to hCBS in the absence and presence of 0.2 M NaCl. N is expressed as number of SAM molecules bound per tetramer, Kd in nM, and ΔH and −TΔS in kcal·mol−1. The values for the two-types of sites model with 0.2 M are rough estimates obtained by fixing some of the parameters during different rounds of fitting.

[NaCl]
(M) 		Site 1 Site 2
N Kd ΔH −TΔS N Kd ΔH −TΔS
0 2.10 13 −12.4 1.6 4.14 610 −6.0 −2.4
0.2 −1.5 100 −2.4 −7.2 ~3.5 1500 −3.3 −4.6