A compound attribute that is the ratio of amount of NAD-dependent protein deacetylase sirtuin-2 (human) in blood to amount of signal transducer and activator of transcription 5B (human) in blood. The trait is Ontology of Biological Attributes id OBA_2055648 (SIRT2/STAT5B protein level ratio in blood). Also known as: the ratio of amount of NAD-dependent protein deacetylase sirtuin-2 (human) in blood to amount of signal transducer and activator of transcription 5B (human) in blood.