<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Dear All,</div><div> </div><div>Can I remove all the H from the PDB file and then input it to the pdb2gmx so that pdb2gmx can produce all the correct protonation state of the protein residues includ<var id="yui-ie-cursor"></var>ing HIS?</div><div> </div><div>Cheers,</div><div> </div><div>Acoot</div> </div></body></html>