load http://prodata.swmed.edu/DrugDomain/af_mmcifs/P51649.cif orient select P51649_nD2, resi 306-515 color blue, P51649_nD2 select P51649_nD1, resi 46-305 + resi 501-530 color brightorange, P51649_nD1 select inorganic + organic util.cbag sele select resn HOH hide (sele) deselect