level of tryptophan--tRNA ligase, mitochondrial (human) in cerebrospinal fluid (OBA_2081492, an Ontology of Biological Attributes identifier) is the amount of a tryptophan--tRNA ligase, mitochondrial (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid tryptophan--tRNA ligase, mitochondrial (human) amount.