Surfactant tolerant cellulase and method for modification thereof

A method for suppressing a reduction in an endoglucanase activity in the presence of a surfactant, characterized by modifying a protein having the endoglucanase activity in which the N-terminus is an amino acid other than pyroglutamic acid, to a protein having the N-terminus of pyroglutamic acid, is...

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Bibliographic Details
Main Authors TSUYUKI YUMIKO, WATANABE MANABU, YANAI KOJI
Format Patent
LanguageChinese
English
Published 15.05.2013
Subjects
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROCESSES USING MICROORGANISMS
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Summary:A method for suppressing a reduction in an endoglucanase activity in the presence of a surfactant, characterized by modifying a protein having the endoglucanase activity in which the N-terminus is an amino acid other than pyroglutamic acid, to a protein having the N-terminus of pyroglutamic acid, is disclosed. Further, a modified protein having an endoglucanase activity wherein the N-terminal amino acid is converted into pyroglutamic acid by an amino acid modification, a polynucleotide encoding the protein, an expression vector comprising the polynucleotide, a host cell transformed with the expression vector, and a process for producing the protein by cultivating the host cell, are disclosed.
Bibliography:Application Number: CN201210350893