Words similar to epr

Example sentences for: epr

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In order to distinguish species D1 from D2, the sample with VO 2+-AMPCP bound to sCD39 was thawed and incubated at room temperature for 30 minutes, and the VO 2+EPR spectrum was collected again.
Vanadyl has been used to estimate the types of groups that serve as metal-ligands in F 1 -ATPase and other enzymes [ 16 18 19 21 ] because the g and A tensors of the 51V hyperfine couplings are approximately a linear combination of tensors from each type of group that contributes an equatorial ligand [ 24 27 ] . By studying the EPR spectra of bound VO 2+in the presence of different nucleotides, we show that the interaction of soluble CD39 with ATP is different from that with ADP.
However, intact CD39 does not release intermediate ADP during ATP hydrolysis, suggesting that there is only one ADP binding site on each CD39 monomer in the intact protein [ 2 25 ] . The two EPR species observed with VO 2+-AMPCP probably correspond to the two different conformations of bound ADP at the same catalytic site on sCD39.
To estimate the types of groups that serve as equatorial ligands to VO 2+in each condition, the observed values of A || derived from simulation of the EPR spectrum by QPOWA were compared with the coupling constants obtained from model studies [ 24 32 ] using:
Figure 3ashows the parallel features of the EPR spectrum of sCD39 bound VO 2+-AMPCP.