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. Author manuscript; available in PMC: 2008 Oct 1.
Published in final edited form as: Biochemistry. 2006 Apr 18;45(15):4974–4982. doi: 10.1021/bi0524619

Table 2.

Microscopic rate constants for heterogeneous rhodopsin crystal schemes at 35 °C

fast (28%) membrane-like (50%) slow (22%)
k1 Lumi → Meta I380 a 2,500 s−1 8 s−1
k2 Meta I380 → Lumi a 6,000 s−1 4 s−1
k3 Meta I380 → Meta I480 a 650 s−1 4 s−1
k4 Lumi → Meta I480 8,000 s−1 170 s−1 5 s−1
k5 Meta I480 → Meta II*(MIIa) a 4 s−1 0.4 s−1
k6 Meta II*(MIIa) → Meta I480 a 3 s−1 0.4 s−1
a

This subscheme contains only one step.