ABCMdb

ABCA4 p.Gln2220*

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Publications

PMID: 10958761 [PubMed] Maugeri A et al: "Mutations in the ABCA4 (ABCR) gene are the major cause of autosomal recessive cone-rod dystrophy."

No. Sentence Comment

32 Although the significance of this finding is under debate (Stone et al. 1998), at least two ABCA4 mutations (G1961E and D2177N) have been shown, in a large multicenter study, to be statistically more frequent in patients Table 1 ABCA4 Mutations in Patients with CRD PATIENT INHERITANCE ABCA4 ALLELE 1 ABCA4 ALLELE 2 Nucleotide Changes Effects Nucleotide Changes Effects 9250a Isolated 1622TrC;3113CrT L541P;A1038Vb 194GrA G65Eb 9303 AR 1622TrC;3113CrT L541P;A1038Vb 9336 Isolated 6658CrT Q2220X 9369a AR 6601-6602delAG Frameshift 9370 Isolated 1622TrC;3113CrT L541P;A1038Vb 9371 Isolated 1622TrC;3113CrT L541P;A1038Vb 1622TrC;3113CrT L541P;A1038Vb 9378a Isolated 768GrT 5 Splice mutationb 9553 AR 2588GrC DG863/G863Ab IVS35del-2rϩ2del4 3 Splice mutation 9633 Isolated 1622TrC;3113CrT L541P;A1038Vb 4469GrA C1490Yb 9650 Isolated 3364GrA E1122Kb 9887 Isolated 4793CrA A1598D 6329GrA W2110X 11872 Isolated 634CrT R212Cb 13163a AR 1622TrC;3113CrT L541P;A1038Vb IVS36ϩ1GrA 5 Splice mutationb a Patient with atypical CRD. Login to comment
76 Four are thought to represent null mutations, either because they introduce a stop codon (W2110X and Q2220X), result in a frameshift (6601-6602delAG), or disrupt a splice site (IVS35- 2rϩ2del4). Login to comment