METAP1D/TST protein level ratio in blood (OBA_2054437) can be described as follows. A compound attribute that is the ratio of amount of methionine aminopeptidase 1D, mitochondrial (human) in blood to amount of thiosulfate sulfurtransferase (human) in blood. Also known as: the ratio of amount of methionine aminopeptidase 1D, mitochondrial (human) in blood to amount of thiosulfate sulfurtransferase (human) in blood.