cmd.read_pdbstr("""\
""", "chainf")
cmd.hide("all")
cmd.color('grey70', "chainf")
cmd.show('ribbon', "chainf")
cmd.select("e7psaf1", "c. f & i. 4-56")
cmd.center("e7psaf1", state=0, origin=1)
cmd.zoom("e7psaf1", animate=-1)
cmd.show_as('cartoon', "e7psaf1")
cmd.spectrum('count', 'rainbow', "e7psaf1")
cmd.disable("e7psaf1")
cmd.show('spheres', 'c. M & i. 501 | c. X & i. 201')
util.cbag('c. M & i. 501 | c. X & i. 201')