MeSH definition : A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It
is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione
peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino
acid.;
A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It
is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione
peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino
acid.