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. 1972 Jun;12(6):625–635. doi: 10.1016/S0006-3495(72)86108-3

Manganous Ion as a Spin Label in Studies of Mitochondrial Uptake of Manganese

T E Gunter, J S Puskin
PMCID: PMC1484157  PMID: 4337705

Abstract

Manganous ion (Mn2+) 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 Mn2+, 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.

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Selected References

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