In article <20040121235935.0F523445E60 / helium.ruby-lang.org>, Sally Wang wrote: > Dear Colleague, > > Happy New Year! > > As we know, codon preference among different species could be > dramatically different. To enhance the expression level of a foreign > protein in a particular expression system (E.coli, Yeast, Insect, or > Mammalian cell), it is very important to adjust the codon frequency of > the foreign protein to match that of the host expression system. One > classic example is GFP (green fluorescent protein) which was optimized > to achieve high-level of expression in mammalian cells. .... This is the most surprising spam I've ever seen. Everything is spelled right. Joe