cmd.read_pdbstr("""\
""", "chainBG")
cmd.hide("all")
cmd.color('grey70', "chainBG")
cmd.show('ribbon', "chainBG")
cmd.select("e8btkBG1", "c. G & i. 27-266")
cmd.center("e8btkBG1", state=0, origin=1)
cmd.zoom("e8btkBG1", animate=-1)
cmd.show_as('cartoon', "e8btkBG1")
cmd.spectrum('count', 'rainbow', "e8btkBG1")
cmd.disable("e8btkBG1")