cmd.read_pdbstr("""\
""", "chainBN")
cmd.hide("all")
cmd.color('grey70', "chainBN")
cmd.show('ribbon', "chainBN")
cmd.select("e4wquBN1", "c. N & i. 2-61")
cmd.center("e4wquBN1", state=0, origin=1)
cmd.zoom("e4wquBN1", animate=-1)
cmd.show_as('cartoon', "e4wquBN1")
cmd.spectrum('count', 'rainbow', "e4wquBN1")
cmd.disable("e4wquBN1")
cmd.show('spheres', 'c. N & i. 501 | c. N & i. 502 | c. N & i. 503')
util.cbag('c. N & i. 501 | c. N & i. 502 | c. N & i. 503')