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. Author manuscript; available in PMC: 2020 Apr 16.
Published in final edited form as: Biochemistry. 2020 Mar 30;59(14):1442–1453. doi: 10.1021/acs.biochem.0c00001

Table 2.

Association and dissociation rate constants as a function of CDP and effector measured by SF fluorescence spectroscopy.

Substrate/Effector kassoc (μM−1 s−1) kdissoc (s−1)
CDP/ATP 163 (7) 75 (10)
CDP 193 (7) 93 (3)
ATP 156 (14) 86 (10)
None 179 (11) 109 (6)
dATPa 0.46 (4), 7 (2)
a

50 μM, sufficient to saturate both the specificity- and activity-allosteric binding sites.