Ontology of Biological Attributes id OBA_2054438 (METAP1D/VASH1 protein level ratio in blood) 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 tubulinyl-Tyr carboxypeptidase 1 (human) in blood. Also known as: the ratio of amount of methionine aminopeptidase 1D, mitochondrial (human) in blood to amount of tubulinyl-Tyr carboxypeptidase 1 (human) in blood.