A compound attribute that is the ratio of amount of receptor-binding cancer antigen expressed on SiSo cells (human) in blood to amount of alpha-taxilin (human) in blood. The trait is EBAG9/TXLNA protein level ratio in blood (Ontology of Biological Attributes id OBA_2055615). Also known as: the ratio of amount of receptor-binding cancer antigen expressed on SiSo cells (human) in blood to amount of alpha-taxilin (human) in blood.