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  • Title: Cloning and nucleotide sequence of thermostable lipase gene from Pseudomonas fluorescens SIK W1.
    Author: Chung GH, Lee YP, Jeohn GH, Yoo OJ, Rhee JS.
    Journal: Agric Biol Chem; 1991 Sep; 55(9):2359-65. PubMed ID: 1368740.
    Abstract:
    A gene coding for a thermostable lipase of Pseudomonas fluorescens SIK W1 was cloned into Escherichia coli JM83 by inserting Sau3AI-generated DNA fragments into the BamHI site of pUC19. Twenty colonies with esterase activity on the tributyrin agar plate were isolated by screening the constructed Pseudomonas fluorescens genomic library. Only one out of the esterase positive 20 colonies had lipase activity on the agar plate containing olive oil and Rhodamine-B. The complete nucleotide sequence of the lipase gene was identified. The lipase gene consists of an open reading frame, 1347bp long, commencing with an ATG start codon encoding a polypeptide of 449 amino acid residues and a TGA stop codon. Comparison of this lipase amino acid sequence with those from another organisms sequenced to data showed the presence of the short homologous region Gly-X-Ser-X-Gly.
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