The amount of a E3 ubiquitin-protein ligase RNF43 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes identifier OBA_2059258 (level of E3 ubiquitin-protein ligase RNF43 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid E3 ubiquitin-protein ligase RNF43 (human) amount.