The amount of a peptidyl-prolyl cis-trans isomerase E (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes term OBA_2081682 (level of peptidyl-prolyl cis-trans isomerase E (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid peptidyl-prolyl cis-trans isomerase E (human) amount.