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Science 18 June 1982:
Vol. 216. no. 4552, pp. 1324 - 1325
DOI: 10.1126/science.216.4552.1324
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Articles

New Biological Paramagnetic Center: Octahedrally Coordinated Nickel(III) in the Methanogenic Bacteria

JACK R. LANCASTER JR. 1

1 Department of Chemistry and Biochemistry, Utah State University, Logan 84322

Methanobacterium bryantii was grown in medium supplemented with nickel-61, an isotope with a nuclear spin of 3/2. The appearance of nuclear hyperfine structure in the electron paramagnetic resonance spectrum of a cell extract identified a previously observed signal as nickel(III) in an environment of octahedral coordination with rhombic distortions.

Submitted on February 23, 1982

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Science. ISSN 0036-8075 (print), 1095-9203 (online)