cmd.read_pdbstr("""\ """, "chainBK") cmd.hide("all") cmd.color('grey70', "chainBK") cmd.show('ribbon', "chainBK") cmd.select("e6gb2BK2", "c. K & i. 17-83") cmd.center("e6gb2BK2", state=0, origin=1) cmd.zoom("e6gb2BK2", animate=-1) cmd.show_as('cartoon', "e6gb2BK2") cmd.spectrum('count', 'rainbow', "e6gb2BK2") cmd.disable("e6gb2BK2")