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XFD350-Wheat Germ Agglutinin (WGA) Conjugate
XFD350, manufactured by AAT Bioquest, has a similar chemical structure to Alexa Fluor® 350, a trademark of Thermo Fisher. 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. XFD350 WGA conjugate, like its counterpart Alexa Fluor® 350 WGA conjugate, emits a bright blue fluorescence and is useful in a variety of applications, including immunofluorescence (IF), immunohistochemistry (IHC), and flow cytometry (FC).
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CatalogSize
Price
Quantity
254951 mg
Price
 
Physical properties

SolventWater
Spectral properties

Correction factor (260 nm)0.25
Correction factor (280 nm)0.19
Extinction coefficient (cm -1 M -1)
19000
Excitation (nm)343
Emission (nm)441
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
Instrument settings

Fluorescence microscope
ExcitationDAPI filter set
EmissionDAPI filter set
Recommended plateBlack wall/clear bottom
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Page updated on May 4, 2026