Cat.No. :	Kit-1782
Product Overview :	L-tryptophan (L-Trp) is an essential amino acid necessary for protein synthesis in mammalian cells and the L-Trp to kynurenine (Kyn) pathway is firmly established as a key regulator of innate and adaptive immunity. Catabolism of L-Trp to Kyn maintains an immunosuppressive microenvironment by starving immune cells of L-Trp and releasing degradation products of L-Trp that have immunosuppressive functions. Indoleamine 2,3- dioxygenases (IDO1 & IDO2), two of the rate limiting enzymes in this pathway, are upregulated in many tumors, providing cancer cells with an avenue for immune evasion.
Size :	96 reactions
Description :	The Mouse IDO1 Inhibitor Screening Assay Kit is designed to measure inhibition of the murine IDO1 enzyme. This kit is simple to use. Inhibitor and enzyme are added to a sample containing L-Trp substrate. After a room temperature incubation, activity is determined by measuring the absorption of reaction product at l=320-325 nm.
Applications :	Useful for the study of mouse IDO1 enzymology, screening inhibitors and selectivity profiling.
Storage :	Stable at least 6 months from date of receipt, when stored as directed. Kit components require different storage conditions. Be sure to store each component at the proper temperature upon arrival.
Kit Components :	Mouse IDO1 His-Tag: 40 µg; -80°C IDO Reaction Solution: 2 x 10 mL; -80°C IDO1 Assay Buffer: 1 mL; -80°C UV transparent 96-well plate: 1; Room Temp.

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