The amount of a queuine tRNA-ribosyltransferase catalytic subunit 1 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes entry OBA_2080789 (level of queuine tRNA-ribosyltransferase catalytic subunit 1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid queuine tRNA-ribosyltransferase catalytic subunit 1 (human) amount.