Patent ID: 7291463
Filing Date: 2007-11-06
Classification: C12P

Abstract:
1. A method for converting a pseudoisocytidine base to a pseudouridine base, said method comprising the steps of providing a pseudoisocytidine molecule having the formula wherein A is H, monophosphate, diphosphate, triphosphate, α-thiotriphosphate, phosphoramidite, or H-phosphonate; X is O, S, NR Y is H, N L is a linker group selected from the group consisting of —CH═CH—R Q is a detectable moiety selected from the group consisting of a radiolabel, a magnetic particle, colloidal gold, fluorescein, texas red, rhodamine, green fluorescent protein, luminol, lophine, acridine salts, luciferin, vanadium spin labels, copper spin labels, iron spin labels, manganese spin labels, nitroxide free radicals, quinoline dyes, triarylmethane dyes, acridine dyes, colored glass beads, polystyrene beads, polypropylene beads, latex beads, biotin, horseradish peroxidase, alkaline phosphatase, 1-aminoaphthalene, 2-aminoaphthalene, p,p′-diaminostilbenes, pyrenes, quaternary phenanthridine salts, 9-aminoacridines, p,p′-diaminobenzophenone imines, anthracenes, oxacarbocyanines, marocyanine, 3-amino aminoequilenin, perylene, bisbenzoxazole, bis-p-oxazolyl benzene, 1,2-benzophenazin, retinol, bis-3-aminopridinium salts, hellebrigenin, tetracycline, sterophenol, benzimidazolyl phenylamine, 2-oxo-3-chromen, indole, xanthen, 7-hydroxycoumarin, phenoxazine, salycilate, strophanthidin, porphyrins, triarylmethanes, flavin, xanthene dyes, rhodamine dyes, cyanine dyes, 4,4-difluoro-4-bora-3,a4a-diaza-s-indacene dyes, phycobiliprotein, dansyl chloride, 3,6-dihydroxy-9-phenylxanthhydrol, rhodamineisothyocyanate, N-phenyl-1-amino-8-sulfonatonaphthalene, N-phenyl-2-amino-6-sulfonatonaphthalene, 4-acetamido-4-isothiocyanatostilbene-2,2′-disulfonic acid, pyrene-3-sulfonic acid, 2-toluidinonaphthalene-6-sulphonate, N-phenyl-methyl-2-aminoaphthalene-6-sulphonate, ethidium bromide, stebrine, auromine-0,2-(9′-anthroyl)palmitate, dansyl phosphatidylethanolamin, N,N′-dioctadecyloxacarbocycanine, N,N′-dihexyl oxacarbocyanine, merocyanine, 4-(3′-pyrenyl)butyrate, d-3-aminodesoxy-equilenin, 12-(9′-anthroyl)stearate, 2-methylanthracene, 9-vinylanthracene, 2,2′-(vinylene-p-phenylene) bisbenzoxazole, p-bis[2-(4-methyl-5-phenyl oxazolyl)]benzene, 6-dimethylamino-1,2-benzophenzin, retinol, bis (3′-aminopyridinium)-1,10-decandiyl diiodide, sulfonaphthylhydrazone of hellibrienin, chlorotetracycline, N-(7-dimethyl amino-4-methyl-2-oxo-3-chromenyl)maleimide,N-[p-(2-benzimidazolyl)phenyl]maleimide,N-(4-fluoranthyl)maleimide, bis(homovanillic acid), resazarin, 4-chloro-7-nitro-2,1,3-benzooxadizole, merocyanaine 540, resorufin, rose bengal, and 2,4-diphenyl-3(2H)-furanone; and, M is a connecting group selected from the group consisting of amino alkyl, —CO(CH incubating said pseudoisocytidine molecule with EDC to provide a pseudouridine molecule having the formula: