Summary
A mutation of the porphobilinogen (PBG) deaminase gene that produces the cross-reacting immunological material (CRIM)-negative type of acute intermittent porphyria (AIP) has been identified in one of 43 unrelated patients with this form of the disorder. The mutation is a C→T transition that abolishes a PstI recognition site in exon 9 of the gene and converts a codon for glutamine to a stop codon.
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Scobie, G.A., Llewellyn, D.H., Urquhart, A.J. et al. Acute intermittent porphyria caused by a C→T mutation that produces a stop codon in the porphobilinogen deaminase gene. Hum Genet 85, 631–634 (1990). https://doi.org/10.1007/BF00193588
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DOI: https://doi.org/10.1007/BF00193588