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. Author manuscript; available in PMC: 2020 Jun 3.
Published in final edited form as: J Phys Chem Lett. 2019 Oct 2;10(20):6197–6201. doi: 10.1021/acs.jpclett.9b02446

Table 1:

Ultrafast dynamics in PaBphP Pfr state.a

λfluorescence (860 nm)
 λprobe (550 nm)
WT S261A S275A H277A Q188L WT S261A S275A H277A Q188L Y250F
τ1 1.0 1.0 1.0 0.86 0.4 1.0 1.0 1.0 0.86 0.4 3.6
τ2 4.3 3.8 3.8 3.5 2.9 4.3 3.9 4.3 3.5 3.0 19
 
A1 56 69 71 66 95 64 65 64 67 96 38
A2 44 31 29 34 5 36 35 36 33 4 62
a

Time constants are in units of ps and amplitudes are calculated relative to each other.