Western blot profiles of several E. intestinalis isolates (lanes 4 to 9) along with those of E. cuniculi and E. hellem. (A) Anti-E. intestinalis; (B) anti-E. hellem; (C) anti-E. cuniculi. Lanes 1, E6 cells; lanes 2, E. hellem; lanes 3, E. cuniculi; lanes 4, E. intestinalis CDC:V297; lanes 5, E. intestinalis CDC:V309; lanes 6, E. intestinalis CDC:V308; lanes 7, E. intestinalis CDC:V315; lanes 8, E. intestinalis CDC:V324; lane 9, E. intestinalis CDC:V307. Note that strain CDC:V307 was not included in the Western blot profiles in panels B and C. The numbers on the left are in kilodaltons.