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. 2011 Feb 25;6(2):e17398. doi: 10.1371/journal.pone.0017398

Table 2. Comparison of the reactivity of cysteine mutant T108C-R135C/Basal mutant at Helix-III of rhodopsin with 4-PDS after photoactivation.

mutant	Rate (min⁻¹)^a	mutant	Rate (min⁻¹)^a	mutant	Rate (min⁻¹)^a
T108C	>1.4^b	T118C	0.054±0.006	V129C	0.057±0.006
G109C	>1.4^b	L119C	0.074±0.008	V130C	0.053±0.011
L112C	0.242±0.0537	G120C	0.032±0.005	L131C	>1.4^b
E113C	>1.4^b	G121C	0.302±0.06	A132C	0.177±0.035
F115C	0.088±0.011	E122C	0.036±0.006	I133C	0.021±0.003
F116C	0.047±0.008	I123C	0.048±0.007	R135C	0.103±0.013
A117C	0.048±0.007	S127C	0.042±0.006	Basal mutant	0.041±0.005

^a

The error given of each value of the pseudo-first-order rate constant is the standard deviation.

^b

These reactions were complete at the first time point taken (∼0.5 min).