load http://prodata.swmed.edu/DrugDomain/af_mmcifs/P21397.cif orient select P21397_nD2, resi 306-395 color blue, P21397_nD2 select P21397_nD1, resi 6-305 + resi 396-505 color brightorange, P21397_nD1 select inorganic + organic util.cbag sele select resn HOH hide (sele) deselect