PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 157848-1 1979 The possible presence of dityrosine in elastin derived by two different methods and in structural glycoproteins from aortas of 1 day old chicks, adult rabbits and fetal rabbits was determined by a sensitive spectrofluorimetric procedure. dityrosine 25-35 elastin Oryctolagus cuniculus 39-46