cartoons off ribbons off select water cpk off select all color cpk select ligands cpk 300 select within(GROUP, within(2.5, [FE]200:A.FE) AND not [FE]200:A.FE) wireframe 20 select [HIS]41:A.C label %r %n select [GLU]14:A.CB label %r %n select [HIS]16:A.CB label %r %n select [HIS]47:A.CB label %r %n select [CYS]111:A.CA label %r %n select [HIS]114:A.CA label %r %n select [FE]205:B.FE cpk off