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. 2015 Dec 18;5:18348. doi: 10.1038/srep18348

Table 1. Characteristics of GAF-FP protein with BV and PCB chromophores measured at pH 7.2 and room temperature.

Fluorescent protein Excitation maximum (nm) Emission maximum (nm) Extinction coefficient (M−1 cm−1) Fluorescence quantum yield (%) Molecular brightness (%) Maturation t50% at 37 oC (h) Photostability t80% (s) pKa1 pKa2
GAF-FP BV 635 670 49,800 7.3 100 4.0 97 4.0 7.8
GAF-FP PCB 625 657 80,500 12.1 268 3.5 64 4.6 8.3