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. 2023 Jan 31;28(3):1347. doi: 10.3390/molecules28031347

Table 1.

Kinetic characteristics of the conformational transformations in the AMA-W system during 1200 ns of NPT MD.

Most Abundant Conformations *
W sZ eU sU aU
Final number of molecules N1200 33 36 38 87 3
Equilibrium number of molecules N 35.3 ± 0.1 34.2 ± 0.1 35.6 ± 0.1 85.6 ± 0.1 5.25 ± 0.04
Equilibrium fraction of molecules x=N/Ntotal 0.177 0.171 0.178 0.428 0.027
Characteristic time of accumulation/decay τ, ns 192 ± 0.1 198.5 ± 3.6 222.6 ± 5.8 220.1 ± 2.1 160.7 ± 6.6
Pre-exponential coefficient A 135.0 ± 0.4 −20.2 ± 0.2 −26.8 ± 0.3 −83.6 ± 0.4 −6.6 ± 0.2
Rate constant of accumulation/decay (1/τ)106, s–1 5.20 5.04 4.49 4.54 6.22
Coefficient of determination R2 0.991 0.924 0.863 0.979 0.684

* Exponential model failed to describe the evolution of the eZ and aZ conformations due to the small number of molecules in a sample (2 and 1 molecule, respectively).