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- Title
Identification of a Novel Mutation R42P in the Gap Junction Protein β-3 Associated with Autosomal Dominant Erythrokeratoderma Variabilis.
- Authors
Wilgoss, Amanda; Leigh, Irene M.; Barnes, Michael R.; Dopping-Hepenstal, Patricia; Eady, Robin A. J.; Walter, Joanne M.; Kennedy, Cameron T. C.; Kelsell, David P.
- Abstract
Summary We report a missense mutation in the gap junction protein β-3 (encoding Connexin 31), which was detected in only the affected members of a family in which the autosomal dominant skin disease erythrokeratoderma variabilis was segregating. The nucleotide change results in an arginine to proline substitution in codon 42. This residue is positioned on the first transmembrane/first extracellular domain of the gap junction protein with the mutation replacing a negatively charged residue with a nonpolar residue. This change may disrupt the conformation of the protein and voltage gating polarity leading to impaired channel function.
- Subjects
GENETIC mutation; GAP junctions (Cell biology)
- Publication
Journal of Investigative Dermatology, 1999, Vol 113, Issue 6, p1119
- ISSN
0022-202X
- Publication type
Article
- DOI
10.1046/j.1523-1747.1999.00792.x