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Enzymatic specifici...
Enzymatic specificity and hydrolysis pattern of the catalytic domain of the xylanase Xyn1 from Rhodothermus marinus
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- Karlsson, Eva Nordberg (författare)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Dahlberg, Leif (författare)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Torto, Nelson (författare)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Gorton, Lo (författare)
- Lund University,Lunds universitet,Biokemi och Strukturbiologi,Centrum för Molekylär Proteinvetenskap,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biochemistry and Structural Biology,Center for Molecular Protein Science,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Holst, Olle (författare)
- Lund University,Lunds universitet,Bioteknik,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Biotechnology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 1998
- 1998
- Engelska 3 s.
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Ingår i: Journal of Biotechnology. - 0168-1656. ; 60:1-2, s. 23-25
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The catalytic domain of a xylanase from Rhodothermus marinus was produced in Escherichia coli. The catalytic domain belongs to glycosyl hydrolase family 10. The produced protein has a 22-amino acid leader peptide followed by a 411-amino acid truncated xylanase. The molecular mass was 48 kDa and the recombinant xylanase had a pI of 4.9. The pH and temperature optima for activity were determined to be 7.5 and 80°C, respectively. At that temperature the enzyme had a half-life of 1 h 40 min. An addition of 1 mM calcium stabilized the activity of the enzyme at 80°C. The xylanase had its highest specific activity on oat spelt xylan but was active also on other xylans and to a limited extent on some other polysaccharides (soluble glucans). No exo- or endo-cellulase activity was observed. Hydrolysis of xylo-oligomers and oat spelt xylan was studied and the predominant products of hydrolysis were xylobiose and xylotriose. The enzyme was inactive on xylobiose, xylotriose and on the soluble fraction from oat spelt xylan. The R. marinus xylanase is shown to have a strong preference for internal linkages and is therefore classified as an endo-xylanase. Copyright (C) 1998 Elsevier Science B.V.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Biokatalys och enzymteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Biocatalysis and Enzyme Technology (hsv//eng)
Nyckelord
- Glycosyl hydrolase family 10
- Rhodothermus marinus
- Xylanase
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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