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Purification of the major endoglucanase from Aspergillus fumigatus Fresenius.


ABSTRACT: Aspergillus fumigatus (Fresenius), IMI 246651, A.T.C.C. 46324, produces two beta-glucosidase enzymes, cotton-solubilizing activity, xylanase and endoglucanase enzymes which can be separated by gel-filtration chromatography. The major endoglucanase does not bind to concanavalin A-Sepharose and does not stain with periodic acid/Schiff reagent. It is homogeneous on polyacrylamide isoelectric focusing (pI = 7.1) and has a mol.wt. of 12500 by sodium dodecyl sulphate/polyacrylamide-gel electrophoresis. The endoglucanase produces glucose and a mixture of oligosaccharides from cellulose; the purified enzyme has a small dextranase activity. It is stable at 50 degrees C and pH 6.

SUBMITTER: Parry JB 

PROVIDER: S-EPMC1152145 | BioStudies | 1983-01-01

SECONDARY ACCESSION(S): 10.1042/bj2130437

REPOSITORIES: biostudies

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