PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34520185-9 2021 The reaction of the Cu(I) complex (Cu(LH2))+ with a variety of monodentate ligands X (PPh3, Cl-, SCN-, CN-) released the metal from coordination to the imine, thereby restoring imine H-bonding with the catechol proton. catechol 202-210 protein phosphatase 4 catalytic subunit Homo sapiens 86-90