PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9817026-2 1998 Since tyrosine phosphorylation is reversible and dynamic in vivo, the phosphorylation states of proteins are governed by the opposing actions of PTKs and protein-tyrosine phosphatases (PTPs). Tyrosine 6-14 6-pyruvoyltetrahydropterin synthase Homo sapiens 154-183 9817026-2 1998 Since tyrosine phosphorylation is reversible and dynamic in vivo, the phosphorylation states of proteins are governed by the opposing actions of PTKs and protein-tyrosine phosphatases (PTPs). Tyrosine 6-14 6-pyruvoyltetrahydropterin synthase Homo sapiens 185-189