Hi Sam Except for torsion angles, here is a good tutorial for you (the second one)
http://www.ysbl.york.ac.uk/mxstat/JLigand/ Andrey On 29 Sep 2011, at 22:12, Sam Arnosti wrote: > Hi every one > > I have a problem with docking my ligand into the electron density map and > make the connections ( bonds ) with the protein. > > It is a Lysine residue that makes a Schiff Base with a long chain aldehyde. > > I do not know how to make the bonds and control the torsion angles of the > ligand. > > I am using the CCP4 and Coot program for refining. > > Thanks > > Sam