cmd.read_pdbstr("""\
""", "chainU2")
cmd.hide("all")
cmd.color('grey70', "chainU2")
cmd.show('ribbon', "chainU2")
cmd.select("e7ls2U21", "c. 2 & i. 2-148")
cmd.center("e7ls2U21", state=0, origin=1)
cmd.zoom("e7ls2U21", animate=-1)
cmd.show_as('cartoon', "e7ls2U21")
cmd.spectrum('count', 'rainbow', "e7ls2U21")
cmd.disable("e7ls2U21")