cmd.read_pdbstr("""\
""", "chainXH")
cmd.hide("all")
cmd.color('grey70', "chainXH")
cmd.show('ribbon', "chainXH")
cmd.select("e4tucXH2", "c. H & i. 67-138")
cmd.center("e4tucXH2", state=0, origin=1)
cmd.zoom("e4tucXH2", animate=-1)
cmd.show_as('cartoon', "e4tucXH2")
cmd.spectrum('count', 'rainbow', "e4tucXH2")
cmd.disable("e4tucXH2")