<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A human IgM monoclonal antibody (MoAb) directed against a human Cytomegalovirus (CMV) antigen. MoAb C-58 recognizes the p51 protein of viral capsid, thereby this agent might be used for the early detection or treatment of CMV infection.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>