On Tue, Mar 19, 2013 at 9:34 AM, Jacob Keller < j-kell...@fsm.northwestern.edu> wrote:
> One might argue that since basically all organisms share the convention > (are there exceptions, even?), that it must be the "best of all possible" > conventions. > There are actually lots of exceptions. For example the UGA stop codon in E. coli codes for Trp in Mycoplasma species. A fairly comprehensive list of the codon variations as annotated by the NCBI can be found here http://www.bioinformatics.org/JaMBW/2/3/TranslationTables.html#SG4 Cheers, Katherine
