Table 2. The change in the total fluorescence intensities of B4F upon addition of excess SCD, C2 dimer, C2 tetramer, and E2 tetramer.

Protein	Total intensity at 0.18 nM protein (monomer)	Total intensity at 0.25 nM protein (monomer)
SCD	259	198
C2D	317	272
C2T	260	208
E2T	325	250
No protein	425	425

The E2 dimer was not tested with 0.18 and 0.25 nM, but with 1 nM monomer (total intensity = 290); it also showed quenching.