[PyMOL] detecting the existence of a selection

2003-12-01 Thread Tina Li
Hello, I wonder if there is a quick and simple way of detecting whether a selection exists without triggering any errors. e.g. to check if there are currently any atoms picked (and collect the residue IDs if there is any), I do: cmd.iterate((lb),stored.list.append((resi))) if no atoms were

RE: [PyMOL] detecting the existence of a selection

2003-12-01 Thread Warren L. DeLano
Tina, Use the Python in operator selection-name in cmd.get_names(selections) PyMOLprint foo in cmd.get_names(selections) False PyMOLselect foo, all Selector: selection foo defined with 1631 atoms. PyMOLprint foo in cmd.get_names(selections) True Cheers, Warren --

[PyMOL] mutating DNA

2003-12-01 Thread Stefan Bäckström
Hello everybody. Is it possible to mutate DNA in pymol ?? Best wishes, Stefan Bäckström UCMP Umeå University Sweden