Words similar to vanadyl

Example sentences for: vanadyl

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Vanadyl is unstable in aqueous solution at pH7.
Since the interactions of Ca +2and Mg +2with proteins are difficult to study due to the lack of spectroscopic properties, vanadyl (V IV=O) 2+has been used as a probe of the ligands that compose Mg 2+, Ca 2+, and Mn 2+binding sites of several proteins, including carboxypeptidase [ 16 ] , S-adenosylmethionine synthetase [ 17 18 ] , pyruvate kinase [ 19 20 ] , and F 1 -ATPase [ 21 22 ] . This cation specifically binds to divalent cation binding sites of several enzymes, and in many cases serves as a functional cofactor [ 23 ] . Vanadyl has one axial and four equatorial coordination sites relative to the axis of the double-bounded oxygen, an arrangement that is similar to that for Ca 2+and Mg 2+.
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.
Stock vanadyl and nucleotide solution were thawed on ice, and mixed at 1:1 molar ratio by vigorous stirring.
Vanadyl and nucleotide solution were prepared according to Houseman et al.