<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>abnormal and/or pathologic state usually due to mutations in structural genes for enzyme polypeptides, manifesting as metabolic abnormalities.</n0:def-definition><n0:def-source>CSP2003</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A finding in which there is a subnormal amount of an enzyme. Enzymes are proteins that are necessary in certain catabolic processes.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>