Fluorescence of Lysozyme: Emissions from Tryptophan Residues 62 and 108 and Energy Migration
- 1 May 1972
- journal article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 69 (5) , 1151-1155
- https://doi.org/10.1073/pnas.69.5.1151
Abstract
The bulk of the fluorescence of lysozyme is located in Trp 62 and Trp 108. By examination of the fluorescence of derivatives in which Trp 62 and/or Trp 108 are specifically oxidized, it has been possible to detect a pH-dependent interaction between tryptophan residues. This interaction is interpreted as energy transfer from Trp 108 to Trp 62.Keywords
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