AMBER Archive (2009)

Subject: [AMBER] Leap warning

From: manoj singh (mks.amber_at_gmail.com)
Date: Wed Sep 09 2009 - 00:38:33 CDT


Hi,
While reading a protein in Amber, I am getting following error.

 ** 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
        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
        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
        atoms are: NE1 CZ2 CE2 CD2

Is this normal, or I am missing something.

Manoj
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