<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>general term for class of proteins whose most important function appears to be binding of some ligand for solubility, transport, bioactivity regulation, or other nonenzymatic process; prefer NTs whenever possible.</n0:def-definition><n0:def-source>CSP2000</n0:def-source></n0:ComplexDefinition>
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>General term for proteins that have binding as a major function.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>