On 2/12/13 9:40 AM, Steven Neumann wrote:
Dear Gmx Users,
I know it is possible to combine windows with different spring
constants into the one PMF curve using g_wham.
Do I have to somehow tell g_wham that one or two windows have
different spring constants?
No, they are read from the .tpr files.
For instance - I got the better histogram overlap with lower force
constant in one window. When I replace this window into the window
with the sring constant like all windwos (worse overlap) both PMF
curves differ app. 2kcal/mol which is around 30% of the overall
deltaG.
Is there any error I should inroduce when one window differ in terms of k1?
What does g_wham's error analysis suggest?
-Justin
The deltaG value of my PMF with all the same windows (springs) is the
exact experimental value but has worse overlap.
Can you advise?
Steven
--
========================================
Justin A. Lemkul, Ph.D.
Research Scientist
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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