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. 1972 May;69(5):1151-5.
doi: 10.1073/pnas.69.5.1151.

Fluorescence of lysozyme: emissions from tryptophan residues 62 and 108 and energy migration

T Imoto, L S Forster, J A Rupley, F Tanaka

Fluorescence of lysozyme: emissions from tryptophan residues 62 and 108 and energy migration

T Imoto et al. Proc Natl Acad Sci U S A. 1972 May.

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.

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