PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10653985-16 2000 Phosphoaminoacid analysis revealed the presence of phosphoserine and traces of phosphothreonine, but not phosphotyrosine, suggesting that the putative tyrosine kinase(s), activated by bradykinin, could act in a step previous to receptor phosphorylation. Phosphoamino Acids 0-16 kininogen 1 Homo sapiens 184-194