Sulfo-Cyanine5dUTP(deoxyuridinetriphosphate)isamodifiednucleosidetriphosphatefortheenzymaticlabelingofDNA.ThetriphosphateisananalogofCy5-dUTP.However,unlikeaminoallyldUTPdirectlymodifiedwithdye,thistriphosphatecontainsalongerlinkerarmthatincreasestheefficiencyofitsincorporationbyusualpolymerases,likeTaqpolymerase.
Sulfo-Cyanine5isabrightfarredemittingdyeforCy5channel.
Thetriphosphateissuppliedinlyophilizedformoflithiumsalt,readytouse.
Generalproperties
| Appearance: | bluesolid |
| Molecularweight: | 1275.89 |
| Molecularformula: | C49H66N6Li4O22P3S2 |
| Solubility: | goodinwater |
| Qualitycontrol: | HPLC-MS(95%) |
Spectralproperties
| Excitationmaximum,nm: | 646 |
| ε,L⋅mol−1⋅cm−1: | 271000 |
| Emissionmaximum,nm: | 662 |
| Fluorescencequantumyield: | 0.28 |
| CF260: | 0.04 |
| CF280: | 0.04 |