The amount of a CDK-activating kinase assembly factor MAT1 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes term OBA_2058068 (level of CDK-activating kinase assembly factor MAT1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid CDK-activating kinase assembly factor MAT1 (human) amount.