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  • Author or Editor: A. Luo x
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By substututing99Mo for the Mo in the reconstituted MoFe protein, the nuclear quadrupole interactions (NQI) of99Mo have been measured using the perturbed angular correlations (PAC). Two well-defined electric quadrupole interaction parameters have been observed. The configuration of the M-Center of the MoFe protein is identified by the quadrupole couplign constant Q1(412(9)MHz) and the asymmetry parameter 1(0.49(5)). Other parameters, VQ2(1939(13)MHz) and 1(0.90(1)), may correspond to a deformation M—Center of MoFe protein.

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