Welcome to PTMs of Residue Module for Experts

This module is used to predict the tertiary structure of peptides having post-translational modifications (PTMs). Forcefield_PTM library is implemented covering 32 frequently occurring PTMs. A user needs to enter the position of residue in the box in front of the selected modified residue. For more information click help

Peptide Sequence Submission Form

Peptide sequence in plain text format                   
Email Address:



Advanced Options:  

Simulation Time: Peptide Environment:
Download topology files: Cluster Analysis:
Download whole trajectory: Energy and RMS graphs:

If you are using PEPstrMOD, please cite the following articles:
i) Singh, S., Singh, H., Tuknait, A., Chaudhary, K., Singh, B., Kumaran, S. and Raghava, G.P.S. (2015) PEPstrMOD: structure prediction of peptides containing natural, non-natural and modified residues. Biology Direct 10:73.
ii) Kaur, H., Garg, A. and Raghava, G.P.S. (2007) PEPstr: A de novo method for tertiary structure prediction of small bioactive peptides. Protein Pept Lett. 14:626-30.
Click Here for PEPstrMOD Manual