- A single nucleotide substitution that abolishes the initiator methionine codon of the GLDC gene is prevalent among patients with glycine encephalopathy in Jerusalem. Boneh, A., Korman, S.H., Sato, K., Kanno, J., Matsubara, Y., Lerer, I., Ben-Neriah, Z., Kure, S. J. Hum. Genet. (2005)