Ontology of Biological Attributes identifier OBA_2054079 (DECR1/PLXNA4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of 2,4-dienoyl-CoA reductase [(3E)-enoyl-CoA-producing], mitochondrial (human) in blood to amount of plexin-A4 (human) in blood. Also known as: the ratio of amount of 2,4-dienoyl-CoA reductase [(3E)-enoyl-CoA-producing], mitochondrial (human) in blood to amount of plexin-A4 (human) in blood.