A compound attribute that is the ratio of amount of low affinity immunoglobulin epsilon Fc receptor (human) in blood to amount of T-cell leukemia/lymphoma protein 1A (human) in blood. The trait is OBA_2055363 (FCER2/TCL1A protein level ratio in blood). Also known as: the ratio of amount of low affinity immunoglobulin epsilon Fc receptor (human) in blood to amount of T-cell leukemia/lymphoma protein 1A (human) in blood.