The amount of a protein kinase C and casein kinase substrate in neurons protein 1 (human) when measured in cerebrospinal fluid. The trait is OBA_2080799 (level of protein kinase C and casein kinase substrate in neurons protein 1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid protein kinase C and casein kinase substrate in neurons protein 1 (human) amount.