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AAT Bioquest

Wheat Germ Agglutinin, XFD532 Labeled *XFD532 Same Structure to Alexa Fluor® 532*

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Physical properties
SolventWater
Spectral properties
Correction Factor (260 nm)0.24
Correction Factor (280 nm)0.09
Extinction coefficient (cm -1 M -1)81000
Excitation (nm)534
Emission (nm)553
Quantum yield0.611
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501

OverviewpdfSDSpdfProtocol


Correction Factor (260 nm)
0.24
Correction Factor (280 nm)
0.09
Extinction coefficient (cm -1 M -1)
81000
Excitation (nm)
534
Emission (nm)
553
Quantum yield
0.611
XFD532, manufactured by AAT Bioquest, has an identical chemical structure to Alexa Fluor® 532, a trademark of ThermoFisher. Wheat germ agglutinin (WGA) is a well-researched lectin known for its valuable biological applications. Due to its ability to bind to glycoconjugates, WGA derivatives, and conjugates are widely used to label cell membranes and fibrotic scar tissue for fluorescence imaging and analysis. WGA specifically targets sequences of β-1,4-GlcNAc-linked residues known as chitodextrins. Each monomer possesses two identical, non-interacting binding sites that complement 3 or 4 β-1,4-GlcNAc units. Among the tested monosaccharides, only GlcNAc exhibits binding to WGA, while ManNAc does not bind, and GalNAc demonstrates weak binding. XFD532 WGA conjugate, like its counterpart Alexa Fluor® 532 WGA conjugate, emits a bright yellow fluorescence and is useful in a variety of applications, including immunofluorescence (IF), immunohistochemistry (IHC), and flow cytometry (FC).

Spectrum


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spectrum

Spectral properties

Correction Factor (260 nm)0.24
Correction Factor (280 nm)0.09
Extinction coefficient (cm -1 M -1)81000
Excitation (nm)534
Emission (nm)553
Quantum yield0.611

References


View all 4 references: Citation Explorer
The binding of monosaccharides to wheat germ agglutinin: fluorescence and NMR investigations.
Authors: Midoux, P and Grivet, J P and Delmotte, F and Monsigny, M
Journal: Biochemical and biophysical research communications (1984): 603-11
Fluorescence quenching of tryptophan by trifluoroacetamide.
Authors: Midoux, P and Wahl, P and Auchet, J C and Monsigny, M
Journal: Biochimica et biophysica acta (1984): 16-25
Localization of chitin in the cell wall of Candida albicans by means of wheat germ agglutinin. Fluorescence and ultrastructural studies.
Authors: Tronchin, G and Poulain, D and Herbaut, J and Biguet, J
Journal: European journal of cell biology (1981): 121-8
Nanosecond-pulse fluorimetry of wheat-germ agglutinin (lectin).
Authors: Privat, J P and Wahl, P and Monsigny, M and Auchet, J C
Journal: European journal of biochemistry (1976): 573-80