The amount of a ADP-ribosylation factor GTPase-activating protein 1 (human) when measured in cerebrospinal fluid. The trait is level of ADP-ribosylation factor GTPase-activating protein 1 (human) in cerebrospinal fluid (OBA_2059840). Also known as: cerebrospinal fluid ADP-ribosylation factor GTPase-activating protein 1 (human) amount.