Purification and characterization of the CelB endoglucanase from Streptomyces lividans 66 and DNA sequence of the encoding gene.
The endoglucanase CelB isolated from culture filtrates of Streptomyces lividans IAF9 has an M(r) of 36,000. With carboxymethyl cellulose as the substrate, the Vmax and Km values are 110 IU/mg of enzyme and 1.3 mg/ml, respectively. Comparison of primary amino acid sequences classifies CelB in the H family of cellulases.
Centre de Recherche en Microbiologie Appliquée, Institut Armand-Frappier, Université du Québec, Laval-des-Rapides, Canada.
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Wittmann
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Shareck
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Kluepfel
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Morosoli
D000595:Amino Acid Sequence; D001483:Base Sequence; D002480:Cellulase; D003001:Cloning, Molecular; D004269:DNA, Bacterial; D005798:Genes, Bacterial; D008969:Molecular Sequence Data; D010731:Phosphoenolpyruvate Sugar Phosphotransferase System / Q000235:genetics* / Q000302:isolation & purification; D017386:Sequence Homology, Amino Acid; D013302:Streptomyces / Q000201:enzymology / Q000235:genetics*
D004269:DNA, Bacterial; D010731:Phosphoenolpyruvate Sugar Phosphotransferase System; C109965:CelB endoglucanase; D002480:Cellulase