Ashutosh Jogalekar wrote:
I have a simple question; is the .top file a formatted file?
I am trying to put in some RB dihedral parameters in the file for an unnatural acid. My question is; does the exact spacing of the lines matter? For example, if c0, c1, c2, c3, and c4 are the coefficients for some dihedral combination 1 2 3 and 4, and if W X Y Z are the values of the parameters which I have to plug in, then:


c0 c1 c2 c4

1 2 3 4 W X Y Z

Is this format regarded by GROMACS in the same way as, say,



c0 c1 c2 c4

1 2 3 4    W         X            Y            Z
yes.

you forgot the function type and ryckaert bellemans takes six parameters.



That is, does the specific spacing matter for the .top file?
no

Thanks very much
Ashutosh Jogalekar
Emory University

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David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
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