Recombinant Human Indoleamine 2,3-Dioxygenase/IDO/INDO

公司供应的产品仅用于科研
产品名称： Recombinant Human Indoleamine 2,3-Dioxygenase/IDO/INDO
Known as    Indole 2;3-dioxygenase; Indoleamine 2;3-dioxygenase 1; IDO-1; IDO1; IDO; INDO
Derived from    E.coli
Purity    Greater than 95% as determined by reducing SDS-PAGE.
Formulation    Supplied as a 0.2 μm filtered solution of 20mM Sodium Acetate, 150mM NaCl and 20% Glycerol, pH4.5.
Shipping    The product is shipped on dry ice/ice packs.
Storage    Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at < -20°C for 3 months
Endotoxin    Less than 0.1 ng/?g (1 IEU/?g as determined by LAL test.
Background    Indoleamine 2,3-dioxygenase (IDO) is a heme enzyme that initiates the oxidative degradation of the least abundant, essential amino acid, l-tryptophan, along the kynurenine pathway. This protein is normally expressed in the dendritic cells, macrophages, microglia, eosinophils, fibroblasts, endothelial cells, and most tumor cells. IDO activity is associated with immunosuppression and immune attenuation. Several studies showed that IDO can contribute to immune escape when expressed directly in tumor cells or when expressed in immunosuppressive antigen presenting cells such as tolerogenic dendritic cells or tumor associated macrophages. IDO also is a promising therapeutic target for the treatment of cancer, chronic viral infections, and other diseases characterized by pathological immune suppression.
Recombinant Human Indoleamine 2,3-dioxygenase is produced by our E.coli expression system and the target gene encoding Met1-Gly403 is expressed with a 6His tag at the N-terminus.
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