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4-Thioflavins as active site probes of flavoproteins. General properties.
4-Thioflavins (oxygen at position 4 replaced by sulfur) have been studied as potential active site probes of flavoproteins. They react readily with thiol reagents, with large spectral changes, whichExpand
  • 13
Oxidation of 2-thioflavins by peroxides. Formation of flavin 2-S-oxides.
The reaction of 2-thioriboflavin (sulfur replacing the oxygen substituent at position 2 alpha) with hydrogen peroxide at pH approximately 10 leads to a blue flavin (lambda max = 565 nm) which wasExpand
  • 12
4-Thioflavins as active site probes of flavoproteins. Reactions with sulfite.
4-Thioflavins react with sulfite under aerobic conditions to yield highly fluorescent products with absorption maxima around 410 nm. These products have been identified asExpand
  • 3
4-Thioflavins as Active Site Probes of Flavoproteins : Reaction with Sulfite and Formation of 4-Hydroxy-4-sulfonylflavins
4-Thioflavins (oxygen at position 4 replaced by sulfur) have been studied as potential active site probes of flavoproteins. They react readily with thiol reagents, with large spectral changes, whichExpand