TABLE VI.

Rate constants and partial charges for scheme I at 30°C

Transition K0a qeffb 
 s−1 eo 
O1-C3 2,594 ± 399 0.032 ± 0.110 
C3-O1 3,519 ± 638 −0.023 ± 0.042 
O2-C4 10,239 ± 1,202 −0.064 ± 0.050 
C4-O2 775 ± 171 0.231 ± 0.173 
C3-C4 596 ± 86 0.291 ± 0.121* 
C4-C3 16.9 ± 6.1 0.903 ± 0.265* 
C4-C5 866 ± 187 0.099 ± 0.156 
C5-C4 74.8 ± 28.8 0.398 ± 0.159 
C5-C6 70.6 ± 27.9 0.206 ± 0.235 
C6-C5 12.1 ± 3.2 0.410 ± 0.218 
C6-C7 0.94 ± 0.43 0.344 ± 0.218 
C7-C6 5.13 ± 3.27 0.223 ± 0.213 
Transition K0a qeffb 
 s−1 eo 
O1-C3 2,594 ± 399 0.032 ± 0.110 
C3-O1 3,519 ± 638 −0.023 ± 0.042 
O2-C4 10,239 ± 1,202 −0.064 ± 0.050 
C4-O2 775 ± 171 0.231 ± 0.173 
C3-C4 596 ± 86 0.291 ± 0.121* 
C4-C3 16.9 ± 6.1 0.903 ± 0.265* 
C4-C5 866 ± 187 0.099 ± 0.156 
C5-C4 74.8 ± 28.8 0.398 ± 0.159 
C5-C6 70.6 ± 27.9 0.206 ± 0.235 
C6-C5 12.1 ± 3.2 0.410 ± 0.218 
C6-C7 0.94 ± 0.43 0.344 ± 0.218 
C7-C6 5.13 ± 3.27 0.223 ± 0.213 
a

Rate constants at 0 mV were estimated from individually fitted rate constants at 40 and 100 mV from 9 and 13 different channels (30°C), respectively (see Materials and methods). The SEM values were estimated from the SEM of the individual experiments.

b

Effective partial charges for the indicated rate constants were obtained from simultaneous fitting of scheme I to eight different channels (30°C) at 40 and 100 mV. The significance was estimated using a Wilcoxon signed ranks test (*, P < 0.05).

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