<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A role used to indicate that a gene product sequence variation is encoded by a specific gene mutant. The domain and range for this role are 'Gene Product Sequence Variation' and 'Gene Mutant', respectively.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>