Source:http://linkedlifedata.com/resource/pubmed/id/21045291
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
Pt 11
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pubmed:dateCreated |
2010-11-3
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pubmed:abstractText |
The nucleoside triphosphate hydrolases that are produced by Neospora caninum (NcNTPase) and Toxoplasma gondii (TgNTPase-I) have a different physiological function from the ubiquitous ecto-ATPases. The recombinant enzymes were crystallized at 293?K using polyethylene glycol 3350 as a precipitant and X-ray diffraction data sets were collected for NcNTPase (to 2.8?Å resolution) and TgNTPase-I (to 3.1?Å resolution) at 100?K using synchrotron radiation. The crystals of NcNTPase and TgNTPase-I belonged to the orthorhombic space group I222 (unit-cell parameters a = 93.6, b = 140.8, c = 301.1?Å) and the monoclinic space group P2(1) (unit-cell parameters a = 87.1, b = 123.5, c = 120.2?Å, ? = 96.6°), respectively, with two NcNTPase (V(M) = 3.7?Å(3)?Da(-1)) and four TgNTPase-I (V(M) = 2.7?Å(3)?Da(-1)) molecules per asymmetric unit. SAD phasing trials using a data set (? = 0.97904?Å) collected from a crystal of selenomethionylated NcNTPase gave an initial electron-density map of sufficient quality to build a molecular model of NcNTPase.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
1744-3091
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:day |
1
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pubmed:volume |
66
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1445-8
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pubmed:meshHeading | |
pubmed:year |
2010
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pubmed:articleTitle |
Crystallization and preliminary X-ray structural analysis of nucleoside triphosphate hydrolases from Neospora caninum and Toxoplasma gondii.
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pubmed:affiliation |
Department of Applied Biology, Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto 606-8585, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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