cmd.read_pdbstr("""\
""", "chainBBB")
cmd.hide("all")
cmd.color('grey70', "chainBBB")
cmd.show('ribbon', "chainBBB")
cmd.select("e6y63BBB1", "c. B & i. 34-289")
cmd.center("e6y63BBB1", state=0, origin=1)
cmd.zoom("e6y63BBB1", animate=-1)
cmd.show_as('cartoon', "e6y63BBB1")
cmd.spectrum('count', 'rainbow', "e6y63BBB1")
cmd.disable("e6y63BBB1")
cmd.show('spheres', 'c. B & i. 303 | c. B & i. 304 | c. B & i. 305 | c. B & i. 306')
util.cbag('c. B & i. 303 | c. B & i. 304 | c. B & i. 305 | c. B & i. 306')