A compound attribute that is the ratio of amount of fatty acid-binding protein, adipocyte (human) in blood to amount of gamma-synuclein (human) in blood. The trait is FABP4/SNCG protein level ratio in blood (Ontology of Biological Attributes identifier OBA_2055432). Also known as: the ratio of amount of fatty acid-binding protein, adipocyte (human) in blood to amount of gamma-synuclein (human) in blood.