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. 2010 Nov 18;5(11):e14050. doi: 10.1371/journal.pone.0014050

Figure 1. Schematic of the photounbinding assay and sample preparation.

Figure 1

CKII peptides were attached to a glass surface via an SM(PEG)8 crosslinker followed by CaM-A488 incubation. After light illumination to induce photounbinding of the CKII peptide/CaM-488 complexes, the surface was re-incubated with CaM-A647 to visualize free binding sites in the previously illuminated regions.