In article <obrien-161194114205 at brass2.med.upenn.edu>, obrien at pharm.med.upenn.edu (PJOB) wrote: > I'm looking for a reference or online source that can tell me the codons > preferred in human genes. GCG has the Human_high.cod and you can pull out of the table by "fetch" or back translate your sequence directly using the table. ding