PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1723248-5 1991 Myelin basic protein phosphorylated on tyrosine residues by p56lck was successfully used as substrate in the detection of phosphatase activity and vanadate or molybdate were shown to inhibit the phosphatase activity. Tyrosine 39-47 LCK proto-oncogene, Src family tyrosine kinase Homo sapiens 60-66