Ontology of Biological Attributes id OBA_2057424 (level of E3 ubiquitin-protein ligase CBL (human) in cerebrospinal fluid) is the amount of a E3 ubiquitin-protein ligase CBL (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid E3 ubiquitin-protein ligase CBL (human) amount.