MAP4K5/TXLNA protein level ratio in blood (Ontology of Biological Attributes entry OBA_2053892) can be described as follows. A compound attribute that is the ratio of amount of mitogen-activated protein kinase kinase kinase kinase 5 (human) in blood to amount of alpha-taxilin (human) in blood. Also known as: the ratio of amount of mitogen-activated protein kinase kinase kinase kinase 5 (human) in blood to amount of alpha-taxilin (human) in blood.