OBA_2053031 (HLAE/LILRB1 protein level ratio in blood) can be described as follows. A compound attribute that is the ratio of amount of HLA class I histocompatibility antigen, alpha chain E (human) in blood to amount of leukocyte immunoglobulin-like receptor subfamily B member 1 (human) in blood. Also known as: the ratio of amount of HLA class I histocompatibility antigen, alpha chain E (human) in blood to amount of leukocyte immunoglobulin-like receptor subfamily B member 1 (human) in blood.