PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3110602-3 1987 Novel structural features of the Dsrc28C protein include a basic pI and a polyglycine domain near the amino terminus. polyglycine 74-85 Btk family kinase at 29A Drosophila melanogaster 33-40