load http://prodata.swmed.edu/DrugDomain/af_mmcifs/P21549.cif
orient
select P21549_nD2, resi 301-390
color blue, P21549_nD2
select P21549_nD1, resi 21-300
color brightorange, P21549_nD1
select inorganic + organic
util.cbag sele
select resn HOH
hide (sele)
deselect