Source:http://linkedlifedata.com/resource/pubmed/id/16903704
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
17
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pubmed:dateCreated |
2006-8-14
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pubmed:abstractText |
A new N2S(alkylthiolate)-coordinated Pb2+ compound {2-methyl-1-[methyl(2-pyridin-2-ylethyl)amino]propane-2-thiolatolead perchlorate, [PATH-Pb][ClO4]} has been synthesized and characterized by X-ray diffraction and by 207Pb NMR. [PATH-Pb]+ is the first reported three-coordinate Pb complex with an alkanethiolate ligand and, hence, is a good model for Pb-cysteine interactions in proteins. The Pb center displays distorted trigonal-planar geometry. The Pb-S bond lengths are extremely short (2.590(10) and 2.597(10) A for two distinct monomers in the unit cell). 207Pb NMR revealed a Pb resonance at 5318 ppm, much further downfield than Pb complexes with N and O ligation. Given recent evidence of three-coordinate Pb-binding in proteins with cysteine-rich metal-binding sites, [PATH-Pb]+ is an important model for Pb sites in biological systems. Crystal data: C12H19N2SPbClO4, Mr = 529.99, monoclinic, P2(1)/n, a = 16.8297(9) A, b = 11.9719(6) A, c = 17.0868(9) A, V = 3237.7(3) A3, and Z = 8.
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pubmed:grant | |
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 |
Aug
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pubmed:issn |
0020-1669
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
21
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pubmed:volume |
45
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6574-6
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pubmed:dateRevised |
2007-12-3
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pubmed:meshHeading |
pubmed-meshheading:16903704-Alkylation,
pubmed-meshheading:16903704-Lead,
pubmed-meshheading:16903704-Magnetic Resonance Spectroscopy,
pubmed-meshheading:16903704-Models, Biological,
pubmed-meshheading:16903704-Models, Molecular,
pubmed-meshheading:16903704-Molecular Conformation,
pubmed-meshheading:16903704-Probability,
pubmed-meshheading:16903704-Sulfhydryl Compounds,
pubmed-meshheading:16903704-Temperature
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pubmed:year |
2006
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pubmed:articleTitle |
Characterization of the first N2S(alkylthiolate)lead compound: a model for three-coordinate lead in biological systems.
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pubmed:affiliation |
Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, N.I.H., Extramural
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