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. Author manuscript; available in PMC: 2014 Nov 6.
Published in final edited form as: J Am Chem Soc. 2013 Nov 6;135(44):10.1021/ja408909h. doi: 10.1021/ja408909h

Table 1.

Binding affinities for CLSS-1 and CLSS-2 with model amino acids.a

Binding Affinities (M−1)
CLSS-1 CLSS-2
TBA-Ser 380 ± 80 260 ± 60
TBA-Val 3640 ± 270 3780 ± 370
a

Conditions: 10.0 mM probe, 0 – 200 mM amino acid, DMSO-d6, 25.0 °C. Each value represents the average of three independent titrations.