1.3.1.24 phosphoprotein - 698922, 701357, 740426 1.3.1.24 phosphoprotein a significant reduction in the phosphorylation of serine, threonine and tyrosine residues of biliverdin reductase-A is found which is paralleled by a marked reduction in its reductase activity 724423 1.3.1.24 phosphoprotein atorvastatin significantly increases tyrosine phosphorylation 725769 1.3.1.24 phosphoprotein in Escherichia coli expressed human biliverdin reductase is autophoshorylated and the phosphorylation is required for its activity, the enzyme is a renaturable phosphoprotein and the autophosphorylation is most prominent at pH 8.7, the enzyme is autophosphorylated on serine/threonine residues 437809