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Categories: Peptides & Proteins / Proteins

Product name			Psophocarpus tetragonolobus (PTL/PTA II) (AP)
Catalog No			USB-518697
Supplier’s Catalog No			518697
Supplier			US Biologicals
Source antigen			Winged bean
Reactivity
Cross reactivity
Applications
Molecular weight

Storage			-20°C
Other names
Grade
Purity
Form			Supplied as a liquid. Labeled with Alkaline Phophatase (AP).
Reactivity life			1 year
Note			For reserch purpose only
Purity
Description			Alkaline phosphatase (AP) is conjugated to Psophocarpus tetragonolobus Lectin (PTL/PTA II) to show the binding of PTL/PTA II in many applications including Western blotting and ELISA. Alkaline phosphatase is a large protein (140kD) that catalyzes the hydrolysis of phosphate groups from a substrate resulting in a colored or fluorescent product. The optimal enzymatic activity of this protein is between pH 8 and 10, and its reaction rate remains linear, improving sensitivity over time. Source: Winged bean Blood Specificity: O (-SA) Sugar Specificity: N-Acetylgalactosamine, Galactose Inhibitory Carbohydrate: N-Acetylgalactosamine Storage and Stability: Store product at 4°C. DO NOT FREEZE! Stable at 4°C for 6 months after receipt as an undiluted liquid. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer. For maximum recovery of product, centrifuge the original vial prior to removing the cap.