The amount of a GrpE protein homolog 1, mitochondrial (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes id OBA_2081060 (level of GrpE protein homolog 1, mitochondrial (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid GrpE protein homolog 1, mitochondrial (human) amount.