cmd.read_pdbstr("""\
""", "chainBK")
cmd.hide("all")
cmd.color('grey70', "chainBK")
cmd.show('ribbon', "chainBK")
cmd.select("e6c5lBK2", "c. K & i. 73-141")
cmd.center("e6c5lBK2", state=0, origin=1)
cmd.zoom("e6c5lBK2", animate=-1)
cmd.show_as('cartoon', "e6c5lBK2")
cmd.spectrum('count', 'rainbow', "e6c5lBK2")
cmd.disable("e6c5lBK2")