cmd.read_pdbstr("""\
""", "chainca")
cmd.hide("all")
cmd.color('grey70', "chainca")
cmd.show('ribbon', "chainca")
cmd.select("e7vrtca1", "c. a & i. 241-521")
cmd.center("e7vrtca1", state=0, origin=1)
cmd.zoom("e7vrtca1", animate=-1)
cmd.show_as('cartoon', "e7vrtca1")
cmd.spectrum('count', 'rainbow', "e7vrtca1")
cmd.disable("e7vrtca1")