A compound attribute that is the ratio of amount of anamorsin (human) in blood to amount of mitochondrial peptide methionine sulfoxide reductase (human) in blood. The trait is CIAPIN1/MSRA protein level ratio in blood (Ontology of Biological Attributes term OBA_2055587). Also known as: the ratio of amount of anamorsin (human) in blood to amount of mitochondrial peptide methionine sulfoxide reductase (human) in blood.