The amount of a pyrroline-5-carboxylate reductase 2 (human) when measured in cerebrospinal fluid. The trait is OBA_2080313 (level of pyrroline-5-carboxylate reductase 2 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid pyrroline-5-carboxylate reductase 2 (human) amount.