1) Kikuchi, G., Kumar, A., Talmage, P., and Shemin, D.: Enzymatic synthesis of δ-aminolevulinic acid. J. Biol. Chem., 233, 1214-1219, 1958.
2) Sagers, R.D., and Gunsalus, I.C.: Intermediary metabolism of Diplococcus glycinophilus. I. Glycine cleavage and one carbon interconversion. J. Bacteriol., 81, 541-549, 1961.
4) Kawasaki, H., Sato, T., and Kikuchi, G.: A new reaction for glycine biosynthesis. Biochem. Biophys. Res. Commun., 23, 227-233, 1966.
5) Childs, B., Nyhan, W.L., Borden, M., Bard, L., and Cooke, R.E.: Ideopathic hyperglycinemia and hyperglycinuria; A new disorder of amino acid metabolism. Pediatrics, 27, 522-538, 1961.