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PMID: 4337705 Published · ppublish English Journal Article

Manganous ion as a spin label in studies of mitochondrial uptake of manganese.

Biophysical journal ·Vol. 12 ·No. 6 ·1972-06-00 ·Pages 625-35

Gunter TE, Puskin JS

Abstract

Manganous ion (Mn(2+)) has been used as a spin label for studies of divalent cation uptake by rat liver mitochondria. Spin exchange, observed in the electron paramagnetic resonance (EPR) spectrum of a fraction of the transported Mn(2+), shows that this fraction is bound in regions of high local concentration within the mitochondria. The average separation of manganese ions in that fraction is estimated to be 4.0 +/-0.6 A at the time of greatest concentration.

MeSH Terms
Animals Biological Transport, Active Edetic Acid Electron Spin Resonance Spectroscopy Manganese/metabolism Mitochondria, Liver/metabolism Rats
Chemicals
Manganese Edetic Acid
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Gunter T E
Puskin J S
References (12)
12 references, click to expand
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Article Info
Journal
Biophysical journal
Abbr.
Biophys J
ISSN
0006-3495
Published
1972-06-00
Pages
625-35
Language
English
Region
United States
NLM ID
0370626
PMCID
PMC1484157
Subset
IM
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