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  • Title: Molecular cloning and characterization of a putative protein kinase gene from the thermophilic fungus Thermomyces lanuginosus.
    Author: Li DC, Li W, Zhou QX, Lu J, Peng YL.
    Journal: DNA Seq; 2007 Dec; 18(6):423-33. PubMed ID: 17676472.
    Abstract:
    Based on the conserved amino acid sequence (DLKPEN) of serine-threonine protein kinase from several fungi, a degenerate primer was designed and synthesized. Total RNA was isolated from the thermophilic fungus Thermomyces lanuginosus. Using RACE-PCR, full-length cDNA of a putative serine-threonine protein kinase gene was cloned from T. lanuginosus. The full-length cDNA of T. lanuginosus protein kinase was 2551 bp and contained an 1806 bp open reading frame encoding a putative protein kinase precursor of 601 amino acid residues. Sequencing analysis showed that the cloned cDNA of T. lanuginosus had consensus protein kinase sequences. Conservative amino acid subdomains which most serine-threonine kinases contain can be found in the deduced amino acid sequence of T. lanuginosus putative protein kinase. Comparison results showed that the deduced amino acid sequence of T. lanuginosus putative protein kinase was highly homologous to that of Neurospora crassa dis1-suppressing protein kinase Dsk1. The putative protein kinase contained three arginine/serine-rich (SR) regions and two transmembrane domains. These showed that it might be a novel putative serine-threonine protein kinase.
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