Hi,

I have a quick question about interpreting the output from g_hbond. I am using the -ac option to calculate H-bond lifetimes between my protein and a series of different, bound ligands. I read the associated paper, but I would like to confirm the interpretation of the results before I continue much further. I obtained the following:

--------------------------------------------------
Type      Rate (1/ps) Time (ps)  DG (kJ/mol)  Chi^2
Forward         0.003    309.475      19.590  0.000294756
Backward        0.007    136.034      17.471
One-way         0.002    471.990      20.678
Integral        0.001   1534.894      23.717
Relaxation      0.002    606.619      21.325

The "forward" and "backward" rates and times make sense based on equations 3 & 4 in the paper, but I could not find an explanation of what "one-way" and "relaxation" are. Is the "integral" value taken from equation 2, and thus should be interpreted as the overall H-bond lifetime?

Thanks,
Justin

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========================================

Justin A. Lemkul
Graduate Research Assistant
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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