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Unexpected interactions of the cyanobacterial metallothionein SmtA with uranium
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Acharya, Celin and Blindauer, Claudia A. (2016) Unexpected interactions of the cyanobacterial metallothionein SmtA with uranium. Inorganic Chemistry, 55 (4). pp. 1505-1515. doi:10.1021/acs.inorgchem.5b02327 ISSN 0020-1669.
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Official URL: http://dx.doi.org/10.1021/acs.inorgchem.5b02327
Abstract
Metallothioneins may protect against the chemical toxicity of uranium; thus, we have studied interactions between the cyanobacterial metallothionein SmtA and uranyl. While no uranyl complexes formed with fully or partially demetalated SmtA, its folded, fully zinc-metalated form bound uranyl even in the presence of large excesses of highly competitive carbonate. 1H NMR signals for methylene groups of three surface-exposed carboxylate side-chains were selectively broadened in presence of uranyl, suggesting their involvement in complex formation.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||
Journal or Publication Title: | Inorganic Chemistry | ||||||
Publisher: | American Chemical Society | ||||||
ISSN: | 0020-1669 | ||||||
Official Date: | 25 January 2016 | ||||||
Dates: |
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Volume: | 55 | ||||||
Number: | 4 | ||||||
Page Range: | pp. 1505-1515 | ||||||
DOI: | 10.1021/acs.inorgchem.5b02327 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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