I am working with a protein having phosphorylated serine residue. During topology generation in Gromacs I faced this problem with the above mentioned residue. Please suggest a forcefield, which have parameters for phosphoserine residue.
you can read this paper: http://www.ncbi.nlm.nih.gov/pubmed/16240095
parameters for phosphorylated Serine is available. good luck!
Thanx i got for Amber forcefield parameters from
http://www.pharmacy.manchester.ac.uk/bryce/amber/
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