Ontology of Biological Attributes id OBA_2054583 (MNDA/PADI4 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of myeloid cell nuclear differentiation antigen (human) in blood to amount of protein-arginine deiminase type-4 (human) in blood. Also known as: the ratio of amount of myeloid cell nuclear differentiation antigen (human) in blood to amount of protein-arginine deiminase type-4 (human) in blood.