cmd.read_pdbstr("""\
""", "chainYI")
cmd.hide("all")
cmd.color('grey70', "chainYI")
cmd.show('ribbon', "chainYI")
cmd.select("e4yzvYI2", "c. I & i. 1-53")
cmd.center("e4yzvYI2", state=0, origin=1)
cmd.zoom("e4yzvYI2", animate=-1)
cmd.show_as('cartoon', "e4yzvYI2")
cmd.spectrum('count', 'rainbow', "e4yzvYI2")
cmd.disable("e4yzvYI2")