Ontology of Biological Attributes entry OBA_2053492 (PPME1/SIRT2 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of protein phosphatase methylesterase 1 (human) in blood to amount of NAD-dependent protein deacetylase sirtuin-2 (human) in blood. Also known as: the ratio of amount of protein phosphatase methylesterase 1 (human) in blood to amount of NAD-dependent protein deacetylase sirtuin-2 (human) in blood.