cmd.read_pdbstr("""\
""", "chainN")
cmd.hide("all")
cmd.color('grey70', "chainN")
cmd.show('ribbon', "chainN")
cmd.select("e7qizN1", "c. N & i. 1-204")
cmd.center("e7qizN1", state=0, origin=1)
cmd.zoom("e7qizN1", animate=-1)
cmd.show_as('cartoon', "e7qizN1")
cmd.spectrum('count', 'rainbow', "e7qizN1")
cmd.disable("e7qizN1")
cmd.show('spheres', 'c. N & i. 301 | c. N & i. 302 | c. N & i. 303')
util.cbag('c. N & i. 301 | c. N & i. 302 | c. N & i. 303')