cmd.read_pdbstr("""\
""", "chainF")
cmd.hide("all")
cmd.color('grey70', "chainF")
cmd.show('ribbon', "chainF")
cmd.select("e4v4cF3", "c. F & i. 196-274")
cmd.center("e4v4cF3", state=0, origin=1)
cmd.zoom("e4v4cF3", animate=-1)
cmd.show_as('cartoon', "e4v4cF3")
cmd.spectrum('count', 'rainbow', "e4v4cF3")
cmd.disable("e4v4cF3")