Query regarding parameter file generation of non standard residue

From: Mahrukh Imtiaz (mahrukhimtiaz92_at_yahoo.com)
Date: Thu Sep 08 2016 - 04:54:35 CDT

Dear all,

I am currently facing some problems in generating a Charmm parameter file for a non standard amino acid i.e. Glucose attached to Asparagine (N-glycosylation). I have generated an optimized structure of this non standard residue via Gaussian and determined the bond, angle and dihedral constraints. However, I am unable to calculate the force constant value for above mentioned constraints. Any help regarding this issue would be highly appreciated as I am new at parameters generation.
Best regards,Mahrukh ImtiazCOMSATS Islamabad, Pakistan

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