The authors have identified three different
heterozygous mutations in exon 8 of ATP7B gene in five WD patients of Thai origin in which a novel C2297G mutation is described. It is a missense mutation, which causes an amino acid substitution from threonine to arginine (Thr766Arg). It is in the Tm4 domain of the ATP7B, which is functionally important and highly evolutionarily conserved between different species. Several mutations have been described in Tm4, such as Asp765Gly, Pro768His, Met769Ile and the common Arg778Leu, which were predicted to disrupt Tm4(14-16). The mutation was also absent in 100 ethnic-matched control samples. These evidences support a pathogenic role of the novel Thr766Arg mutation.
The authors have identified three differentheterozygous mutations in exon 8 of ATP7B gene in five WD patients of Thai origin in which a novel C2297G mutation is described. It is a missense mutation, which causes an amino acid substitution from threonine to arginine (Thr766Arg). It is in the Tm4 domain of the ATP7B, which is functionally important and highly evolutionarily conserved between different species. Several mutations have been described in Tm4, such as Asp765Gly, Pro768His, Met769Ile and the common Arg778Leu, which were predicted to disrupt Tm4(14-16). The mutation was also absent in 100 ethnic-matched control samples. These evidences support a pathogenic role of the novel Thr766Arg mutation.
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