Hi Kamil,
The "Selection" field uses "polymer & ..." by default, which excludes
ions. You can use a selection which includes ions instead, for example
"all", "not solvent", or something like "(polymer | name CAL) & ...".
Here an example that works for me:
fetch 1rx1
alter elem Ca, resn="CAL"
Hi,
How to include Ca/Zn ions when using APBS built into Pymol? I'm switching
to CHARMM in command line options; CHARMM has CAL and ZN2 atoms already
defined in the DAT file. But there's still no difference in electrostatics
maps with and without ions in the structure. Also, the default
