Improper Angles

Axel T. Brunger brunger at LAPLACE.CSB.YALE.EDU
Sat Nov 18 15:45:07 EST 1995

> To Whomever Can Help,
> I'm sorta new to X-PLOR and molecular dynamics in general.  I've been
> reading the manual and find that I don't understand what an "improper"
> angle is.  How is that different from a dihedral angle?
> If anyone can help, I'd greatly appreciate it.

Have a look at:

 Brooks, B.R., Bruccoleri, R.E., Olafson, B.D., States, D.J.,
 Swaminathan, S. & Karplus, M. (1983).
 CHARMM: A Program for Macromolecular Energy, Minimization, and
 Dynamics Calculations.
 J. Comp. Chem. 4, 187--217.

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