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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002552naa a2200313 4500
001oai:DiVA.org:ltu-8371
003SwePub
008160929s1995 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-83712 URI
024a https://doi.org/10.1006/abbi.1995.10572 DOI
040 a (SwePub)ltu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Christakopoulos, Paul4 aut
2451 0a Purification and characterization of a less randomly acting endo-1,4-beta-D-glucanase from the culture filtrates of Fusarium oxysporum
264 1b Elsevier BV,c 1995
338 a print2 rdacarrier
500 a Upprättat; 1995; 20130220 (ysko)
520 a An extracellular endo-1,4-β-D-glucanase from Fusarium oxysporum was purified by affinity chromatography and gel filtration. The enzyme purified in this way was homogeneous when judged by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and isoelectric focusing-polyacrylamide gel electrophoresis. The protein corresponded to a molecular mass and pI value of 41.7 kDa and 6.4, respectively. It was optimally active at pH 4.5 and at 55°C. The enzyme hydrolyzed carboxymethylcellulose (CMC) and unsubstituted and substituted cello-oligosaccharides but was inactive on Avicel, filter paper, xylan, cellobiose, p-nitrophenyl-β-D-glucoside, and p-nitrophenyl-β-D-xyloside. However, the enzyme effected only a small change in viscosity of CMC per unit increase of reducing sugar. When cellotriose, cellotetraose, and cellopentaose were used as substrates, the enzyme released mainly cellobiose. Use of 4-methylumbelliferyl cello-oligosaccharides and the determination of bond cleavage frequency revealed that the enzyme preferentially hydrolyzed the glycosidic bond adjacent to 4-methylumbelliferone. Thus, the purified enzyme appeared to be a less randomly acting endoglucanase.
700a Kekos, D.u National Technical University of Athens4 aut
700a Macris, B.J.u National Technical University of Athens4 aut
700a Claeyssens, M.u University of Ghent4 aut
700a Bhat, M.K.u Institute of Food Research, Reading4 aut
710a National Technical University of Athensb University of Ghent4 org
773t Archives of Biochemistry and Biophysicsd : Elsevier BVg 316:1, s. 428-433q 316:1<428-433x 0003-9861x 1096-0384
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-8371
8564 8u https://doi.org/10.1006/abbi.1995.1057

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