PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26927183-2 2016 The next two amino acids incorporated would have been the other two small hydrophilic amino acids serine and aspartic acid, which occurred through the duplication of the tRNA(Gly) sequence, followed by mutation of its anticodon by single C to U transition mutations, possibly through spontaneous deamination. Aspartic Acid 109-122 mitochondrially encoded tRNA glycine Homo sapiens 170-179