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Updated: Aug 16, 2026

Profiling of Methyltransferases and Other S-adenosyl-L-homocysteine-binding Proteins by Capture Compound Mass Spectrometry (CCMS)
Published on: December 20, 2010
Electronic properties of some protein--methylglyoxal complexes
Abstract:
Steady-state conductivity measurements and dielectric measurements in the frequency range 10(-5) to 100 Hz are reported for samples of bovine serum albumin, casein, and lysozyme complexed with methylglyoxal. Compared with the untreated proteins, the brown complexed proteins exhibit an increased conductivity and free electron spin density, together with a low-frequency dielectric dispersion. These results can be taken as evidence that the interaction with methylglyoxal results in the proteins possessing an increased electronic activity associated with the creation of mobile electron holes within the valence band states of the protein molecules.
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