FKBP1B/RABGAP1L protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2055410) can be described as follows. A compound attribute that is the ratio of amount of peptidyl-prolyl cis-trans isomerase FKBP1B (human) in blood to level of Rab GTPase-activating protein 1-like in blood. Also known as: the ratio of amount of peptidyl-prolyl cis-trans isomerase FKBP1B (human) in blood to level of Rab GTPase-activating protein 1-like in blood.