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  • Title: The complete nucleotide sequence of the Neurospora crassa am (NADP-specific glutamate dehydrogenase) gene.
    Author: Kinnaird JH, Fincham JR.
    Journal: Gene; 1983 Dec; 26(2-3):253-60. PubMed ID: 6231215.
    Abstract:
    The complete nucleotide sequence of a 2.7-kb genomic fragment, containing the Neurospora crassa am [NADP-specific glutamate dehydrogenase (GDH)] gene, has been determined. The transcription initiation and polyadenylation sites have been defined by S1 mapping. There are at least four initiation sites between 35 and 60 bases downstream of a TATAAA sequence. The single polyadenylation site is immediately downstream of a six-nucleotide sequence which is present in the corresponding position in the N. crassa gene (pl) coding for the imported proteolipid component of mitochondrial ATP synthase [Viebrock et al. Embo J. 1 (1982) 565-571] the initiation sites also show some sequence similarity between am and pl. There are two introns, of 66 and 61 bases respectively; they interrupt sequences that are conserved (highly so in the case of the second intron) between Neurospora and Escherichia coli. As well as showing typical consensus splicing sequences, the two introns show some striking internal similarities to each other. The am gene resembles the pl gene in its strongly selective use of codons (pyrimidines preferred to purines and guanine to adenine in third positions). The coding sequence here reported requires four corrections to be made in the previously published amino acid sequence of Neurospora GDH.
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