Ontology of Biological Attributes identifier OBA_2058474 (level of peptidyl-prolyl cis-trans isomerase FKBP4 (human) in cerebrospinal fluid) is the amount of a peptidyl-prolyl cis-trans isomerase FKBP4 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid peptidyl-prolyl cis-trans isomerase FKBP4 (human) amount.