The amount of a major intrinsically disordered Notch2-binding receptor 1 (human) when measured in cerebrospinal fluid. The trait is level of major intrinsically disordered Notch2-binding receptor 1 (human) in cerebrospinal fluid (OBA_2081698). Also known as: cerebrospinal fluid major intrinsically disordered Notch2-binding receptor 1 (human) amount.