Dear Amber users,
When I tried to create topology file by using tleap,
I found there are some warning in the leap.log file,
such as:
--------------------------------------------------------
Building proper torsion parameters.
Building improper torsion parameters.
** Warning: No sp2 improper torsion term for C*-CN-CB-CA
atoms are: CG CE2 CD2 CE3
** Warning: No sp2 improper torsion term for NA-CA-CN-CB
atoms are: NE1 CZ2 CE2 CD2
......
** Warning: No sp2 improper torsion term for C*-CN-CB-CA
atoms are: CG CE2 CD2 CE3
** Warning: No sp2 improper torsion term for NA-CA-CN-CB
--------------------------------------------------------
Does these warnings matter? can I safely ignore them?
Thank you very much!
---
J. Zhang, Dr
Institute of Biophysics
Nanjing University
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Received on Wed May 19 2004 - 04:53:00 PDT
