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Fluorescein Maleimide
Description
Fluorescein Maleimide is used to label free thiol groups with fluorescein. ?This fluorescent label can be directly visualized or used as a specific tag that can be detected with anti-fluroescein antibodies.?For labeling nucleic acids, thiols can be introduced into DNA, RNA, or oligonucleotides using the?5′ EndTag™ or 3′ EndTag™ nucleic acid labeling systems.
Specifications
| Unit Size | 12 mg |
|---|---|
| Target for Labeling | DNA, Oligonucleotides, PNA, Protein, RNA |
| Recommended Storage | – 20°C to – 80 °C. |
| Molecular Weight | 498.4 |
| Chemical Formula | C27H18N2O8 |
| Maximum Emission | 520 nm |
| Maximum Excitation | 492 nm |
| Required Reactive Group | Thiol Group |
| Tag/Group Incorporated | Fluorescein |
| Safety Title | WARNING: NA – www.P65Warnings.ca.gov |
Documents
- Fluorescein Maleimide (User Guide)
- Safety Data Sheet
- Download CoA
- Datasheet
Related Products
Anti-Fluorescein, Biotinylated Catalog #: BA-0601-.5
3' EndTag DNA End Labeling System Catalog #: MB-9002
Biotin (Long Arm) Maleimide Catalog #: SP-1501-12
5' EndTag Nucleic Acid Labeling Kit Catalog #: MB-9001
Citations
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Fluorescein Maleimide is designed for fluoresceinating proteins, nucleic acids or other molecules containing one or more thiol groups. Molecules to be labeled with Fluorescein Maleimide require free thiol groups. In the case of proteins, Fluorescein Maleimide will react with exposed cysteine residues. Alternatively, free thiols may be generated by reducing disulfide bonds or by modifying other reactive groups such as primary amines with compounds like Traut's reagent (2-iminothiolane).
This fluorescent label can be directly detected or used as a hapten and detected with our high affinity antibody reagents. (Excitation maximum at 495 nm; emission maximum at 515 nm).