load http://prodata.swmed.edu/DrugDomain/af_mmcifs/O00303.cif
orient
select O00303_nD2, resi 266-355
color blue, O00303_nD2
select O00303_nD1, resi 86-265
color brightorange, O00303_nD1
select inorganic + organic
util.cbag sele
select resn HOH
hide (sele)
deselect