SH2B3/SUGT1 protein level ratio in blood (OBA_2055642, an Ontology of Biological Attributes term) can be described as follows. A compound attribute that is the ratio of amount of SH2B adapter protein 3 (human) in blood to amount of protein SGT1 homolog (human) in blood. Also known as: the ratio of amount of SH2B adapter protein 3 (human) in blood to amount of protein SGT1 homolog (human) in blood.