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    FEBS Lett. 1995 Feb 13;359(2-3):211-4.

    The molecular basis for genetic polymorphism of human deoxyribonuclease I: identification of the nucleotide substitution that generates the fourth allele.

    Yasuda T, Nadano D, Takeshita H, Tenjo E, Sawazaki K, Ootani M, Kishi K.

    Department of Legal Medicine, Fukui Medical School, Japan.

    In addition to the three alleles commonly responsible for the protein polymorphism of human deoxyribonuclease I, a mutation encoded by a fourth allele, DNASE1*4, was detected by isoelectric focusing. All 8 exons covering the entire open reading frame of the human DNase I gene were amplified by the polymerase chain reaction and subjected to direct sequencing. Only one nucleotide substitution, a C-to-G transition (CAG-->GAG), in the codon for amino acid 9 of the mature enzyme was found. This substitution resulted in the replacement of Gln with Glu (Q9E).

    PMID: 7867802 [PubMed - indexed for MEDLINE]

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