HETATM vs ATOM in .pdb file

From: Andrea Holfelder (andreaholfelder_at_gmx.com)
Date: Wed Aug 31 2011 - 04:56:35 CDT


 Is there any major difference between HETATM and ATOM in pdb file format ?

 Does the solvent molecules have to be in HETATM for molecular dynamics run ?
 or it does not matter ?

 Do the residues marked with HETATM behave any differently in MD simulation run with ATOM marked residues?

 Is the use of HETATM recommended for solvent molecules ?or not recommended?

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