Ontology of Biological Attributes term OBA_2057051 (level of pyruvate dehydrogenase E1 component subunit beta, mitochondrial (human) in cerebrospinal fluid) is the amount of a pyruvate dehydrogenase E1 component subunit beta, mitochondrial (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid pyruvate dehydrogenase E1 component subunit beta, mitochondrial (human) amount.