LIGPLOT will show this graphically, if the correct parameters are set in ligplot.prm, but not state the interactions explicitly: http://www.ebi.ac.uk/thornton-srv/software/LIGPLOT/ The relevant lines in ligplot.prm: PLOT PARAMETERS --------------- Y<- Include: Hydrophobic interactions - (Y/N)? HTH, Iain On Wednesday,Dec 14 12:34 PM, Luthra,Amit wrote: > > Hi Everyone > > I have to calculate hydrophobic interactions in pdb files. Is any > server available for this type of calculation? > > Thanks in advance > > Amit >