PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7236704-5 1981 The mitogenic activity tested with neuraminidase-treated human lymphocytes was also diminished The tyrosine residues were modified with tetranitromethane and further with 4-aminophenyl-alpha-D-glucopyranoside and the negatively charged 2-(4-amino-benzyl)-alpha-D-neuraminic acid. Tetranitromethane 136-153 neuraminidase 1 Homo sapiens 35-48