Table 13.

Spectroscopic Properties of Pteridine Nucleoside Analogs in Buffer^a

#	Name	λmax (ε)	λem	Φ	τ
6.21	3-MI	348 254 (3.69), 350 (4.13)b	430 -	0.88 -	6.5 -
6.22	6-MI	340 (11.0)	431	0.70	6.4
6.23	DMAP	330	430	0.48	4.8
6.24	6-MAP	310	430	0.39	3.8
		329 (8.51)c	-	-	-

^aλ, ε, and τ are given in nm, 10³ M⁻¹cm⁻¹, and ns respectively, from Hawkins.⁴⁵⁶ All spectra were recorded in tris buffer, pH = 7.5 at room temperature.

^bIn MeOH, from Hawkins.⁴⁵⁷ In MeOH, from Hawkins.⁴⁵⁸