Fluorescence quantum yield (QY) and lifetime (τ) of EGFP emission in His–EGFP–GB1, His–RLuc–EGFP–GB1, RLuc–His–EGFP–GB1, and His–EGFP–RLuc–GB1 protein.

Protein	QY	τ(ns)
His–EGFP–GB1	0.77	2.62
His–RLuc–EGFP–GB1	0.78	2.63
RLuc–His–EGFP–GB1	0.76	2.64
His–EGFP–RLuc–GB1	0.77	2.65