Thread:Jurassic Park Treasury/@comment-1259419-20130827072351/@comment-3213993-20130827084635

BastionMonk wrote: You shouldn't translate all the Xs to Ns. N means that any nucleotide can be placed there without affecting the protein code.

X means that we know there should be amino acid over there, but we don't know which one. However, you can't put random nucleotides in its place.

Unfortunately, with the case of the T. rex COL1A1, it was the translator that did it, that is if you mean the Xs present in the GenBank protein sequence.