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Cloning, expression and purification of Bacillus cereus endochitinase in the Escherichia coli AD494(DE3)pLysS expression system

A chitinase gene from Bacillus cereus was cloned and expressed in Escherichia coli. The purified recombinant chitinase had much higher (128 fold) specificity to pNP-β-(GlcNAc) 3 than to pNP-β-(GlcNAc), suggesting endochitinase. Thirty-three amino acids in the N-terminal were recognized and cut off d...

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Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2009-05, Vol.73 (5), p.1172-1174
Main Authors: Chen, W.M.(National Taiwan Ocean Univ., Keelung), Chen, G.H, Chen, C.S, Jiang, S.T
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creator Chen, W.M.(National Taiwan Ocean Univ., Keelung)
Chen, G.H
Chen, C.S
Jiang, S.T
description A chitinase gene from Bacillus cereus was cloned and expressed in Escherichia coli. The purified recombinant chitinase had much higher (128 fold) specificity to pNP-β-(GlcNAc) 3 than to pNP-β-(GlcNAc), suggesting endochitinase. Thirty-three amino acids in the N-terminal were recognized and cut off during expression, which consequently made the M r not correspond to that predicted.
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source Oxford Journals Online; EZB Electronic Journals Library
subjects Amino Acid Sequence
BACILLUS CEREUS
Bacillus cereus - enzymology
Base Sequence
Biological and medical sciences
CHITINASE
Chitinases - biosynthesis
Chitinases - chemistry
Chitinases - genetics
Chitinases - isolation & purification
Chitinases - metabolism
CLONACION MOLECULAR
CLONAGE MOLECULAIRE
Cloning, Molecular
endochitinase
Escherichia coli
Escherichia coli - genetics
EXPRESION GENICA
EXPRESSION DES GENES
Fundamental and applied biological sciences. Psychology
GENE
GENE EXPRESSION
GENES
MOLECULAR CLONING
Molecular Sequence Data
PURIFICACION
PURIFICATION
QUITINASA
recognition peptide
title Cloning, expression and purification of Bacillus cereus endochitinase in the Escherichia coli AD494(DE3)pLysS expression system
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