cmd.read_pdbstr("""\
""", "chainH")
cmd.hide("all")
cmd.color('grey70', "chainH")
cmd.show('ribbon', "chainH")
cmd.select("e8ivxH2", "c. H & i. 121-221")
cmd.center("e8ivxH2", state=0, origin=1)
cmd.zoom("e8ivxH2", animate=-1)
cmd.show_as('cartoon', "e8ivxH2")
cmd.spectrum('count', 'rainbow', "e8ivxH2")
cmd.disable("e8ivxH2")
cmd.show('spheres', 'c. H & i. 301')
util.cbag('c. H & i. 301')