Figure 4. Structure of selected metal probe ligands.
Structure of ML-type (fura-2, Mf2, quin-2) and ML2-type (Par, Tar, Fs, Fz, Bca and Bcs) probe ligands, and of the fluorescent Nε-dansyl-lysine that is incorporated into each DP peptide probe (see ref. [19] for complete peptide structures).