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Preparation and kin...
Preparation and kinetic characterization of a fusion protein of yeast mitochondrial citrate synthase and malate dehydrogenase
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- Lindbladh, C (författare)
- University of Texas Southwestern Medical Center
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- Rault, M (författare)
- University of Texas Southwestern Medical Center
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- Hagglund, C (författare)
- University of Texas Southwestern Medical Center
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- Small, W C (författare)
- University of Texas Southwestern Medical Center
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- Mosbach, K (författare)
- Lund University,Lunds universitet,Tillämpad biokemi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Pure and Applied Biochemistry,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Bülow, L (författare)
- Lund University,Lunds universitet,Tillämpad biokemi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Pure and Applied Biochemistry,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Evans, C (författare)
- University of Texas Southwestern Medical Center
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- Srere, P A (författare)
- University of Texas Southwestern Medical Center
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(creator_code:org_t)
- 2002-05-01
- 1994
- Engelska 7 s.
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Ingår i: Biochemistry. - : American Chemical Society (ACS). - 0006-2960 .- 1520-4995. ; 33:39, s. 8-11692
- 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
- We have expressed the DNA of the fusion of CS1 to MDH1 in Escherichia coli gltA-. The fusion protein (CS1/MDH1) is the C-terminus of CS1 linked in-frame to the N-terminus of MDH1 with a short linker of glycyl-seryl-glycyl. The fusion protein produced was isolated and purified. Gel filtration studies indicated that CS1/MDH1 had a M(r) of approximately 170,000. Western blotting analysis with SDS gel indicated a M(r) of approximately 90,000-95,000 (theoretical M(r) = 87,000). This is the expected M(r) for the fusion protein subunit. The kinetics of CS1 and MDH1 activities of the fusion protein were compared to those of the free enzymes. In addition, the effect of AAT reaction, as a competitor for the intermediate OAA of the coupled MDH-CS reaction, was examined. It was observed that AAT was a less effective competitor for OAA when the CS1/MDH1 fusion protein is used than when the separate enzymes are employed. In addition, the transient time for the coupled reaction sequence was less for the fusion protein than for the free enzymes.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Nyckelord
- Aspartate Aminotransferases
- Base Sequence
- Citrate (si)-Synthase
- Escherichia coli
- Genes, Fungal
- Malate Dehydrogenase
- Malates
- Mitochondria
- Models, Molecular
- Molecular Sequence Data
- Multienzyme Complexes
- Oxaloacetates
- Recombinant Fusion Proteins
- Saccharomyces cerevisiae
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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