PKLR/TGM2 protein level ratio in blood (Ontology of Biological Attributes entry OBA_2054021) can be described as follows. A compound attribute that is the ratio of amount of pyruvate kinase PKLR (human) in blood to amount of protein-glutamine gamma-glutamyltransferase 2 (human) in blood. Also known as: the ratio of amount of pyruvate kinase PKLR (human) in blood to amount of protein-glutamine gamma-glutamyltransferase 2 (human) in blood.