Table 1. Calculated apparent K_d values (nM).

ND, not determined due to excessively weak binding.

	TRAPste		TRAPsub
Temperature (°C)	(−) L-Trp	(+) L-Trp	(−) L-Trp	(+) L-Trp
10	3.0±0.4	1.3±0.2	280±30	3.8±0.5
20	3.6±0.4	2.2±0.3	ND	5.3±1.1
30	5.4±0.5	1.8±0.3	ND	2.8±0.4
40	15±1	1.8±0.2	ND	30±6
50	ND	1.8±0.3	ND	19±2
60	ND	31±3