http://www.encyclopedia.com/science-and-technology/biology-and-genetics/genetics-and-genetic-engineering/genetic-code

EXCEPTIONS TO THE UNIVERSAL GENETIC CODE
Organism Normal codon Usual meaning New meaning
Mammalian AGA, AGG Arginine Stop codon
mitochondria AUA Isoleucine Methionine
UGA Stop codon Tryptophan
Drosophila AGA, AGG Arginine Serine
mitochondria AUA Isoleucine Methionine
UGA Stop codon Tryptophan
Yeast AUA Isoleucine Methionine
mitochondria UGA Stop codon Tryptophan
CUA, CUC, CUG, CUU Leucine Threonine
Higher plant UGA Stop codon Tryptophan
mitochondria CGG Arginine Tryptophan
Protozoan nuclei UAA, UAG Stop codons Glutamine
Mycoplasma capricolum bacteria UGA Stop codon Tryptophan
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