(A) Far-UV CD spectra of 5 μM B+ (⧫), 5 μM B−
(●), and 2.5 μM each of a B−/B+ mixture
(▴). (B) Thermal denaturation curves of 5
μM B+ (⧫), 5 μM B− (●), and 2.5 μM each
of a B−/B+ mixture (▴). (C)
Tryptophan fluorescence spectra of 10 μM B+ (⧫), 10 μM B−
(●), and 5 μM each of a B−/B+ mixture
(▴). (D) Near-UV CD spectra of 100 μM B+
(⧫), 100 μM B− (●), and 50 μM each of a
B−/B+ mixture (▴).