cmd.read_pdbstr("""\
""", "chainU")
cmd.hide("all")
cmd.color('grey70', "chainU")
cmd.show('ribbon', "chainU")
cmd.select("e4yd9U2", "c. U & i. 3210-3310")
cmd.center("e4yd9U2", state=0, origin=1)
cmd.zoom("e4yd9U2", animate=-1)
cmd.show_as('cartoon', "e4yd9U2")
cmd.spectrum('count', 'rainbow', "e4yd9U2")
cmd.disable("e4yd9U2")
cmd.show('spheres', 'c. Y & i. 2101')
util.cbag('c. Y & i. 2101')