PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30667096-11 2019 Therefore, we conclude that the PTN-PTPRZ signal stimulates OPC differentiation partly by enhancing the tyrosine phosphorylation of AFAP1L2 in order to activate the PI3K-AKT pathway. Tyrosine 104-112 thymoma viral proto-oncogene 1 Mus musculus 170-173