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6. Mogone, C.S., Lanyon W.G., Moore M.R., Louie G.V., Connor J.M.(1993) Detection of a high mutation frequency in exon 12 of the porphobilinogen deaminase gene in patients with acute intermittent porphyria. Human Genet Dec;92(6):619-22.
7. Scott, A. I., Roessner C.A., Stolowich N. J., Karuso P., Williams H. J., Grant S. K., Gonzalez M. D. & Hoshino T.(1988) Site-Directed Mutagenesis and High-Resolution NMR Spectroscopy of the Active Site of Porphobilinogen Deaminase. Biochemsitry 27: 7984-90.
8. Shoolingin-Jordan, P. M.(1995) Porphobilinogen Deaminase and Uroporphyrinogen III Synthase: Structure, Molecular Biology, and Mechanism. J. of Bioenerg and Biomem 27(2): 181-95.
9. Warren, M. J. & Jordan P. M.(1988) Investigation into the Nature of Substrate Binding to the Dipyrromethane Cofactor of Eserichia coli Porphobilinogen Deaminase. Biochemistry 27: 9020-30.