The amount of a guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-11 (human) when measured in cerebrospinal fluid. The trait is level of guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-11 (human) in cerebrospinal fluid (OBA_2058289). Also known as: cerebrospinal fluid guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-11 (human) amount.