Fluorescein-5-maleimide

Fluorescein-5-maleimide

• CAS Number: 75350-46-8
• UNSPSC Description: Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm[1][2][3][4].
• Target Antigen: Fluorescent Dye
• Type: Dye Reagents
• Related Pathways: Others
• Field of Research: Others
• Assay Protocol: https://www.medchemexpress.com/Fluorescein-5-maleimide.html
• Purity: 99.05
• Solubility: DMSO : 50 mg/mL (ultrasonic)
• Smiles: O=C(C=C1)N(C2=CC3=C(C4(C5=C(OC6=C4C=CC(O)=C6)C=C(O)C=C5)OC3=O)C=C2)C1=O
• Molecular Weight: 427.36
• References & Citations: [1]Wadley AJ, et al. Detecting intracellular thiol redox state in leukaemia and heterogeneous immune cell populations: An optimised protocol for digital flow cytometers. MethodsX. 2018 Nov 1;5:1473-1483. |[2]Akinloye O, et al. Peptide-based fluorescence biosensors for detection/measurement of nanoparticles. Anal Bioanal Chem. 2017 Feb;409(4):903-915. |[3]Bunch TA, et al. Drug discovery for heart failure targeting myosin-binding protein C. J Biol Chem. 2023 Dec;299(12):105369. |[4]McLachlin DT, et al. A method of screening for mutant proteins containing cysteine residues using fluorescein-5-maleimide. Protein Expr Purif. 1996 May;7(3):275-80.
• Shipping Conditions: Blue Ice
• Storage Conditions: -20°C (Powder, protect from light)
• Clinical Information: No Development Reported