cmd.read_pdbstr("""\
""", "chainDf")
cmd.hide("all")
cmd.color('grey70', "chainDf")
cmd.show('ribbon', "chainDf")
cmd.select("e4v7rDf1", "c. f & i. 2-96")
cmd.center("e4v7rDf1", state=0, origin=1)
cmd.zoom("e4v7rDf1", animate=-1)
cmd.show_as('cartoon', "e4v7rDf1")
cmd.spectrum('count', 'rainbow', "e4v7rDf1")
cmd.disable("e4v7rDf1")
cmd.show('spheres', 'c. O & i. 301')
util.cbag('c. O & i. 301')