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. 2003 May;12(5):930–938. doi: 10.1110/ps.0236303

Table 2.

Tryptophan fluorescence lifetimes, relative amplitudes, and amplitude-averaged lifetimes of Ha-ras-p21 in the GTPγS-bound state

	a₁	τ₁ (ns)	a₂	τ₂ (ns)	a₃	τ₃ (ns)	χ²
p21 Y32W	0.20 ± 0.02	0.47 ± 0.06	0.57 ± 0.02	2.59 ± 0.16	0.23 ± 0.02	5.60 ± 0.19	1.39
p21 V29G-Y32W	0.30 ± 0.02	0.57 ± 0.08	0.51 ± 0.08	2.76 ± 0.27	0.19 ± 0.06	5.52 ± 0.44	1.58
p21 Y32W-I36G	0.28 ± 0.04	0.51 ± 0.07	0.50 ± 0.06	2.65 ± 0.19	0.22 ± 0.04	5.49 ± 0.23	1.43
p21 V29G-Y32W-I36G	0.35 ± 0.02	0.50 ± 0.05	0.42 ± 0.02	2.48 ± 0.13	0.23 ± 0.02	6.04 ± 0.20	1.70