cmd.read_pdbstr("""\
""", "chainAAA")
cmd.hide("all")
cmd.color('grey70', "chainAAA")
cmd.show('ribbon', "chainAAA")
cmd.select("e7nvpAAA2", "c. A & i. 169-285")
cmd.center("e7nvpAAA2", state=0, origin=1)
cmd.zoom("e7nvpAAA2", animate=-1)
cmd.show_as('cartoon', "e7nvpAAA2")
cmd.spectrum('count', 'rainbow', "e7nvpAAA2")
cmd.disable("e7nvpAAA2")
cmd.show('spheres', 'c. A & i. 501 | c. A & i. 505 | c. A & i. 507')
util.cbag('c. A & i. 501 | c. A & i. 505 | c. A & i. 507')