PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10656690-6 2000 Herein, we demonstrate that acidic substitution of the activation loop tyrosines is sufficient to induce allosteric changes required for constitutive TrkA kinase activity as well as phosphorylation of TrkA signaling proteins such as Shc, PLCgamma-1, FRS-2 and erk1/2. Tyrosine 71-80 phospholipase C gamma 1 Homo sapiens 238-248