The amount of a beta-galactoside alpha-2,6-sialyltransferase 2 (human) when measured in cerebrospinal fluid. The trait is level of beta-galactoside alpha-2,6-sialyltransferase 2 (human) in cerebrospinal fluid (OBA_2080437). Also known as: cerebrospinal fluid beta-galactoside alpha-2,6-sialyltransferase 2 (human) amount.