cmd.read_pdbstr("""\
""", "chainIB")
cmd.hide("all")
cmd.color('grey70', "chainIB")
cmd.show('ribbon', "chainIB")
cmd.select("e6b4vIB2", "c. B & i. 127-276")
cmd.center("e6b4vIB2", state=0, origin=1)
cmd.zoom("e6b4vIB2", animate=-1)
cmd.show_as('cartoon', "e6b4vIB2")
cmd.spectrum('count', 'rainbow', "e6b4vIB2")
cmd.disable("e6b4vIB2")
cmd.show('spheres', 'c. B & i. 9121 | c. B & i. 301 | c. B & i. 302 | c. B & i. 303')
util.cbag('c. B & i. 9121 | c. B & i. 301 | c. B & i. 302 | c. B & i. 303')