Table 2.

0-TOAC- NCp7 Tumbling Dynamics as Altered by TFE, T = 5 C

Solvent	Sample	τiso, ns
100% TFE	TOAC by self	0.15a ± 0.02; 0.23b ± 0.02
50 mM Hepes buffer, pH 7.5	0-TOAC-NCp7, no Zn++	0.3b ± 0. 04
30% TFE	0-TOAC-NCp7, no Zn++	0.8b ± 0.1
70% TFE	0-TOAC-NCp7, no Zn++	1.2b ± 0.2
90% TFE	0-TOAC-NCp7, no Zn++	2.9b ± 0.3
100% TFE	0-TOAC-NCp7, with Zn++	2.8b ± 0.3
100% TFE	0-TOAC-NCp7, no Zn++	6.6b ± 0.6

^aBy peak height line shape analysis.⁴⁶-⁴⁸

^bDetermined by NLSL methods.⁵⁰