Marino F. A. Santos, Isabel Correia, Ana R. Oliveira, Eugenio Garribba, João Costa Pessoa and Teresa Santos-Silva Vanadium Complexes as Prospective Therapeutics: Structural Characterization of a VIV Lysozyme Adduct European Journal of Inorganic Chemistry 2014
Vanadium complexes are recognized as insulin enhancers that can be transported by high-molecular-mass serum components. We report studies of the interaction of the antidiabetic vanadium(IV) picolinate complex with hen egg white lysozyme (HEWL). Soaked crystals diffracting up to a resolution of 1.28 Å show that VIV covalently binds to Asp52, two picolinate– ions (pic), and an Ooxido atom.
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