Psophocarpus tetragonolobus Lectin (PTL/PTA I) - Texas Red

Psophocarpus tetragonolobus Lectin (PTL/PTA I) - Texas Red
Psophocarpus tetragonolobus (Winged bean) Lectin (PTL/PTA I) - Texas Red
Product image 1Psophocarpus tetragonolobus Lectin (PTL/PTA I) - Texas Red
Product image 2Psophocarpus tetragonolobus (Winged bean) Lectin (PTL/PTA I) - Texas Red

Price: Regular price $207.56

SKU#: 21510964-1

Product Description

Psophocarpus tetragonolobus lectin (PTL I, psophocarpin B1, a storage protein with chymotrypsin inhibitory activity), is isolated from winged bean seeds and purified by affinity chromatography. The seed contains two lectins in which PTL I is the basic of the two. PTL I is a dimeric glycoprotein with specificity to GalNAc, with eluting sugar GalNAc. This lectin agglutinates trypsinized rabbit and human erythrocytes (type A and B) but not trypsinized human type O erythrocytes. PTL I recognize blood group A-substance derived oligosaccharides such as trisaccharide GalNAcα1-3Galβ1-4Glc.

Texas Red is a red-fluorescent dye and when bound to Psophocarpus tetragonolobus Lectin (PTL/PTA I) can show the binding pattern of this lectin in cellular imaging applications. There is very little overlap between the emission spectra of Texas Red and FITC making this combination ideal for dual-labeling experiments. Rhodamine dyes, such as Texas Red, are more photostable and less sensitive to pH change when compared to other dyes such as fluorescein.

Technical Specifications

Abbreviation: PTL/PTA I
Material Source:: Winged bean
Conjugate:: Texas Red
Concentration:: 2 mg/mL
Purity:: High Purity Grade
Shelf Life:: 1 year
Blood Group Specificity:: Non-specific
Preferred Sugar Specificity:: N-Acetylgalactosamine, Galactose
Inhibiting or Eluting Sugar:: N-Acetylgalactosamine
Fluorescence:: Red
Divalent Ions:: None Required
Excitation:: 595 nm
Emission:: 615 nm
Mitogenic Activity:: No
Lyophilized or Liquid: Liquid
Storage Temperature:: -20°C
Hazardous Shipping:: Non-hazardous

Applications

References

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