The amount of a glutathione-specific gamma-glutamylcyclotransferase 2 (human) when measured in cerebrospinal fluid. The trait is level of glutathione-specific gamma-glutamylcyclotransferase 2 (human) in cerebrospinal fluid (OBA_2080066, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid glutathione-specific gamma-glutamylcyclotransferase 2 (human) amount.