In article <3nj88c$b7n at lyra.csx.cam.ac.uk>, jm144 at mole.bio.cam.ac.uk (Joe Makkerh (WCI)) writes: Recently, the way they generate the TA vector >has been made accessible to everyone, but not by Invitrogen themselves. > >Joe Could you please elaborate on this? I would really like to make my own TA vectors to save $$$$$. --Rich