A260 absorption of free nucleotides

[Edouard Lauzier]

> Just a quick question, does anyone know if free nucleotides absorb at
A260 or do they only absorb when in oligonucleotides?

                      lambda max           D.O. at max for 1M solution
                            (pH  7.0 )                       (pH 7.0 )
ATP                      259                                  15.400
CTP                      271                                    9.000
GTP                     253                                   13.700
UTP                     262                                   10.000
dATP                    259                                   15.200
dCTP                    271                                     9.300
dGTP                   253                                    13.700
dTTP                    267                                    9.600
-- 
Edouard Lauzier, B.Sc.                           elauzier at fse.ulaval.ca
Physical Activity Science Laboratory
(Laval University)  G1K 7P4
CANADA