load http://prodata.swmed.edu/DrugDomain/af_mmcifs/O43497.cif
orient
select O43497_nD1, resi 51-460 + resi 721-965 + resi 1251-1885
color blue, O43497_nD1
select inorganic + organic
util.cbag sele
select resn HOH
hide (sele)
deselect