. Author manuscript; available in PMC: 2009 Apr 1.

Published in final edited form as: Bioorg Chem. 2008 Feb 11;36(2):96–104. doi: 10.1016/j.bioorg.2007.12.003

Table 3.

Absorption characteristics of indolic Kaede-like chromophores in acidic solutions (in water at pH 2 or in solvents containg 50 mM HCl).

Chromophore	pKa (water)	Absorption max, nm (extinction coefficient, mM⁻¹cm⁻¹)
		Water	EtOH	ⁱPrOH	DMF	DMSO
WYG	3.5	507	512	521	509	500
		(23)	(27)	(30)	(25)	(23)
FWG	2.6	491	486	509	480	477
		(24)	(21)	(27)	(25)	(21)
YWG	2.8	508	510	523	511	496
		(32)	(32)	(40)	(26)	(22)