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Fluorescein-12-dUTP *1 mM in TE Buffer (pH 7.5)* *CAS 214154-36-6*

The dye-modified deoxyuridine 5'-triphosphates (such as aminoallyl-dUTP) can be used to produce dye-containing DNA by conventional enzymatic incorporation methods such as reverse transcription, nick translation, random primed labeling, or PCR. This enzymatic fluorescence labeling method is widely used for both FISH probes and microarray-based experiments. This fluorescein-dUTP conjugate can be used as a green fluorescence color with Spectrum Green™ filter set (Spectrum Green™ is the trademark of Vysis).

Example protocol

AT A GLANCE

Important notes

Best stored at -80 °C, it can be diluted 10 folds in TE Buffer (10mM Tris-HCl + 1mM EDTA (pH=7.5)) for convenient pipetting. Expiration date is six months from the date of receipt.

SAMPLE EXPERIMENTAL PROTOCOL

Table:1. The following instruction is recommended as a starting point for labeling ~1µg dsDNA, optimum labeling conditions may vary for different cases. 

Reagents

Final Concentration for 20µL reaction volume

DNA

0.05 µg/µL

DNA Polymerase

25 ~ 50U/mL

Fluorescein-dUTP

10 ~ 100 µM

Reaction Buffer

10 mM Tris-HCl (pH = 7.5) contains the following components:
1 mM EDTA
5 mM NaCl
0.1 mM DTT
1 mM dATP + 1 mM dCTP+ 1 mM dGTP+ 1 mM dTTP

ddH2O

Adjust volume as need to make 20 µL reaction volume

Spectrum

Product family

NameExcitation (nm)Emission (nm)Extinction coefficient (cm -1 M -1)Quantum yieldCorrection Factor (260 nm)Correction Factor (280 nm)
Fluorescein-12-dCTP *1 mM in Tris Buffer (pH 7.5)* 4985178000010.79001, 0.9520.320.35
Fluorescein-12-dATP *1 mM in Tris Buffer (pH 7.5)* 4985178000010.79001, 0.9520.320.35
Fluorescein-12-dGTP *1 mM in Tris Buffer (pH 7.5)* 4985178000010.79001, 0.9520.320.35

References

View all 9 references: Citation Explorer
A visual DNA chip for simultaneous detection of hepatitis B virus, hepatitis C virus and human immunodeficiency virus type-1
Authors: Wen JK, Zhang XE, Cheng Z, Liu H, Zhou YF, Zhang ZP, Yang JH, Deng JY.
Journal: Biosens Bioelectron (2004): 685
Fluorescent DNA hybridization probe preparation using amine modification and reactive dye coupling
Authors: Cox WG, Singer VL.
Journal: Biotechniques (2004): 114
Aminomodified nucleobases: functionalized nucleoside triphosphates applicable for SELEX
Authors: Schoetzau T, Langner J, Moyroud E, Roehl I, Vonhoff S, Klussmann S.
Journal: Bioconjug Chem (2003): 919
Topology of yeast RNA polymerase II subunits in transcription elongation complexes studied by photoaffinity cross-linking
Authors: Wooddell CI, Burgess RR.
Journal: Biochemistry (2000): 13405
Simple method for preparation of fluor/hapten-labeled dUTP
Authors: Nimmakayalu M, Henegariu O, Ward DC, Bray-Ward P.
Journal: Biotechniques (2000): 518
Page updated on November 20, 2024

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Catalog Number17022
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Physical properties

Molecular weight

1060.62

Solvent

Water

Spectral properties

Absorbance (nm)

487

Correction Factor (260 nm)

0.32

Correction Factor (280 nm)

0.35

Extinction coefficient (cm -1 M -1)

800001

Excitation (nm)

498

Emission (nm)

517

Quantum yield

0.79001, 0.952

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Freeze (< -15 °C); Minimize light exposure
UNSPSC41116134

CAS

214154-36-6
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