S. LaBonne wrote:
> Another
> semi-relevant aside is that UGA seems to be a remarkably versatile
> codon; isn't it used to code for selenocysteine in some bacteria?
Also in the _kelch_ gene of _Drosophila melanogaster_, it seems.
Selenocysteine may well deserve the title somebody gave it of "the 21st
amino acid."
--Erich Schwarz
