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Preparation and cry...
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Guan, ZLund University
(författare)
Preparation and crystallization of a Bacillus subtilis arsenate reductase
- Artikel/kapitelEngelska2001
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Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:4827fbde-fb77-446a-b80e-1c99d2d6f545
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https://lup.lub.lu.se/record/4827fbde-fb77-446a-b80e-1c99d2d6f545URI
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https://doi.org/10.1107/S0907444901014020DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Arsenate reductase (AR) in B. subtilis is encoded by the chromosomal arsC gene. Together with arsB and arsR, arsC participates in detoxification processes for the arsenate and arsenite ions. Full-length arsenate reductase without any modification has been expressed in Escherichia coli and purified in a soluble form. The recombinant protein has been crystallized at 277 K using polyethyleneglycol (PEG) or poly(ethyleneglycol) methyl ether (PME) as the main precipitant. At least two forms of crystals large enough for data collection have been obtained from wild-type protein under different conditions. An orthorhombic crystal diffracted to beyond 2.2 Å with space group P212121 and unit-cell parameters a = 51.22, b = 91.62, c = 101.93 Å. A near-complete data set has been collected to 2.5 Å. The application of the flash-annealing technique was crucial for high resolution during the data collection. The SeMet-substituted AR has also been produced and crystallized under very similar conditions as the wild type, but the unit-cell parameters are very different. The crystals of the SeMet protein diffracted to higher resolution than those of the wild type.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Hederstedt, LarsLund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science(Swepub:lu)mikb-lhe
(författare)
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Li, Jin-PingUppsala University
(författare)
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Su, Xiao-DongLund 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(Swepub:lu)mbfys-xs
(författare)
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Lund UniversityMolekylär cellbiologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Acta Crystallographica. Section D: Biological CrystallographyD57, s. 1718-17211399-0047
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