Patent ID: 6573374
Filing Date: 2003-06-03
Classification: C07F,C07H

Abstract:
A nucleoside-5â€²-triphosphate of the general formula wherein B is a heterocyclic base selected from the group consisting of adenine, guanine, hypoxanthine, 7-deaza-adenine, 7-deaza-guanine, 7-deaza-hypoxanthine, 7-deaza-8-aza-adenine, 7-deaza-8-aza-guanine, 7-deaza-8-aza-hypoxanthine, thymine, cytosine and uracil; x is a linking group wherein n=4-20 atoms; Sig is a fluorescent molecule with an excitation wavelength of 650-800 nm; and R1 and R2 each represent H or OH.