Welcome to Terminal Modification Module

This module allows user to perform terminal modifications in the peptide sequence. If a sequence contains any N-terminal and C-terminal modifications user can choose the appropriate options from the dropdown menu given below. For more information click help

Peptide Sequence Submission Form

Peptide sequence in plain text format       

N-terminal Modification: C-terminal Modification:

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