General and specific atom types in NAMD?

From: David Chalmers (
Date: Thu Mar 04 2004 - 18:21:42 CST

Hi again All,

Several forcefields define two atom types for each atom; a specific type,
with associated nonbonded parameters and a generic type, which can be used
to limit the number of angle or dihedral parameters that need to be
specified in the parameter file. Is there any provision to deal with
general atom types in NAMD, other than the catch-all atom type 'X'?

If not, can I suggest this as a feature for the developers to consider?
It would improve the usablity of NAMD with the OPLS forcefield and
non-protein structures.




David Chalmers Lab: 9903 9110
Victorian College of Pharmacy Fax: 9903 9582
381 Royal Pde, Parkville, Vic 3053

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