Ontology of Biological Attributes id OBA_2080885 (level of Rac GTPase-activating protein 1 (human) in cerebrospinal fluid) is the amount of a Rac GTPase-activating protein 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid Rac GTPase-activating protein 1 (human) amount.