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. Author manuscript; available in PMC: 2009 May 20.
Published in final edited form as: Biochim Biophys Acta. 2007 Aug 15;1784(1):94–99. doi: 10.1016/j.bbapap.2007.07.016

Figure 1.

Figure 1

Environmentally-Sensitive system: Phosphorylation of a fluorophore-substituted tyrosine peptide results in its association with an SH2 domain, and the fluorophore experiences a change in environment and an increase in quantum yield. Dax represents either a Dap or Dab residue (see Figure 2 for structures) and Xaa an amino acid of the consensus sequence.