Aloha! I'd like to know what your epitope of choice is for tagging plant proteins, plus any anecdotes you'd care to share. I have a handful of cloned items whose protein levels I'd like to monitor in transgenic orchid lines. Thanks so much. Michele Champagne Dept of Horticulture U. of Hawaii, Manoa Honolulu, HI 96822 orchidgirl at earthlink.net ---