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Cloning, expression...
Cloning, expression, characterisation and three-dimensional structure determination of Caenorhabditis elegans spermidine synthase
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Dufe, Veronica T (author)
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Luersen, K (author)
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Eschbach, M L (author)
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Haider, N (author)
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- Karlberg, Tobias (author)
- 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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Walter, R D (author)
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- Al-Karadaghi, Salam (author)
- 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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(creator_code:org_t)
- 2005-10-05
- 2005
- English.
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In: FEBS Letters. - : Wiley. - 1873-3468 .- 0014-5793. ; 579:27, s. 6037-6043
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Abstract
Subject headings
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- The polyamine synthesis enzyme spermidine synthase (SPDS) has been cloned from the model nematode Caenorhabditis elegans. Biochemical characterisation of the recombinantly expressed protein revealed a high degree of similarity to other eukaryotic SPDS with the exception of a low affinity towards the substrate decarboxylated S-adenosylmethionine (K-m = 110 mu M) and a less pronounced feedback inhibition by the second reaction product 5 '-methylthioadenosine (IC50 = 430 mu M). The C elegans protein that carries a nematode-specific insertion of 27 amino acids close to its N-terminus was crystallized, leading to the first X-ray structure of a dimeric eukaryotic SPDS. (c) 2005 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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