cmd.read_pdbstr("""\
""", "chainSK")
cmd.hide("all")
cmd.color('grey70', "chainSK")
cmd.show('ribbon', "chainSK")
cmd.select("e7oldSK1", "c. K & i. 2-90")
cmd.center("e7oldSK1", state=0, origin=1)
cmd.zoom("e7oldSK1", animate=-1)
cmd.show_as('cartoon', "e7oldSK1")
cmd.spectrum('count', 'rainbow', "e7oldSK1")
cmd.disable("e7oldSK1")