load http://prodata.swmed.edu/DrugDomain/af_mmcifs/P30520.cif orient select P30520_nD1, resi 26-455 color blue, P30520_nD1 select resn ASP select br. all within 5 of sele show sticks, sele color magenta, sele hide (organic) hide (inorganic) select resn ASP show sticks, sele util.cbag sele select resn HOH hide (sele) deselect