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    J Biol Chem. 1987 Jan 15;262(2):572-5.

    Rat liver NAD(P)H: quinone reductase nucleotide sequence analysis of a quinone reductase cDNA clone and prediction of the amino acid sequence of the corresponding protein.

    Bayney RM, Rodkey JA, Bennett CD, Lu AY, Pickett CB.

    We have determined the nucleotide sequence of a cDNA clone, pDTD55, complementary to rat liver quinone reductase mRNA (Williams, J.B., Lu, A.Y.H., Cameron, R.G., and Pickett, C.B. (1986) J. Biol. Chem. 261, 5524-5528). The cDNA clone contains an open reading frame of 759 nucleotides encoding a polypeptide comprised of 253 amino acids with a Mr = 28,564. To verify the predicted amino acid sequence of quinone reductase, we have been able to align the amino acid sequences of a cyanogen bromide digest of the purified enzyme to the sequence deduced from the cDNA clone. A comparison of the quinone reductase sequence with other known flavoenzymes did not reveal a significant degree of amino acid sequence homology. These data suggest that the quinone reductase gene has evolved independently from genes encoding other flavoenzymes.

    PMID: 3100515 [PubMed - indexed for MEDLINE]

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