<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Protein Phosphatase Genes encode Protein Phosphatases, enzymes that remove tyrosine-, serine-, or threonine-bound phosphate groups from many phosphoproteins, including many enzymes phosphorylated by a tyrosine kinase or a serine/threonine kinase. (NCI)</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>