The amount of a DNA-directed RNA polymerase II subunit GRINL1A isoforms 1/2/3 (human) when measured in cerebrospinal fluid. The trait is OBA_2056985 (level of DNA-directed RNA polymerase II subunit GRINL1A isoforms 1/2/3 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid DNA-directed RNA polymerase II subunit GRINL1A isoforms 1/2/3 (human) amount.