Reagents > IRDye® 800CW Maleimide,IRDye® 800CW 马来酰亚胺
IRDye 800CW Maleimide provides the functionality for labeling molecules that contain free sulfhydryl (–SH) groups, such as cysteine residues in proteins, with IRDye 800CW. The reactive group of the IRDye 800CW Maleimide allows conjugation reactions to be performed very efficiently at physiological pH.
IRDye 800CW 马来酰亚胺提供了用 IRDye 800CW 标记含有游离巯基 (-SH) 基团的分子的功能,例如蛋白质中的半胱氨酸残基。 IRDye 800CW 马来酰亚胺的反应性基团允许在生理 pH 值下非常有效地进行偶联反应。
Dye Structure
Properties
- Chemical Formula: C52H57N4Na3O16S4
- Molecular Weight: 1191.25 g/mol
- Exact Mass: 1190.23
Absorption and Emission Spectra
Solvent | Ext. Coeff. (M-1cm-1) | Absorption Maxima | Emission Maxima |
---|---|---|---|
Methanol | 300,000 | 778 nm | 794 nm |
Water | 240,000 | 774 nm | 789 nm |
1X PBS | 240,000 | 774 nm | 789 nm |
PBS: Methanol | 270,000 | 777 nm | 791 nm |