cmd.read_pdbstr("""\
""", "chainOB")
cmd.hide("all")
cmd.color('grey70', "chainOB")
cmd.show('ribbon', "chainOB")
cmd.select("e6b4vOB1", "c. B & i. 1-140")
cmd.center("e6b4vOB1", state=0, origin=1)
cmd.zoom("e6b4vOB1", animate=-1)
cmd.show_as('cartoon', "e6b4vOB1")
cmd.spectrum('count', 'rainbow', "e6b4vOB1")
cmd.disable("e6b4vOB1")
cmd.show('spheres', 'c. B & i. 201 | c. B & i. 202 | c. B & i. 203')
util.cbag('c. B & i. 201 | c. B & i. 202 | c. B & i. 203')