The amount of a methionine aminopeptidase 1D, mitochondrial (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes identifier OBA_2059371 (level of methionine aminopeptidase 1D, mitochondrial (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid methionine aminopeptidase 1D, mitochondrial (human) amount.