Hi Eric,<br>&nbsp;Is there some API&nbsp; with examples of chimera available. I
am trying to add hydrogen in previous script. I tried cmdAddH and
simpleAddhydrogens but it is not working. I am trying to put hydrogen
and then charge to each ligand in the database. May be later I will
call mmtk minimization from chimera itself to minimize each ligand.<br>
thanks in advance<br><font color="#888888">s</font><br>