PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6773954-9 1980 A rapid chromatographic procedure for the separation of methylated lysines and arginines was developed and used to demonstrate that epsilon-trimethyllysine is the radioactive amino acid formed when calmodulin is methylated in vitro. trimethyllysine 132-155 calmodulin 1 Rattus norvegicus 198-208