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. 2012 Jul 19;7(7):e41363. doi: 10.1371/journal.pone.0041363

Figure 4. Spectroscopic characteristics of apoflavodoxin modified with NBD.

Figure 4

Apoprotein (20 μM) before (solid line) and after (dashed line) incubation with 200 μM NBD-Cl for 1 hour. Modified protein absorbs maximally at 420 nm, which is characteristic for the presence of a thiol-NBD conjugate [47].