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Pack Size | Price | Availability | Quantity |
---|---|---|---|
50 μg | $498 | 7-10 days |
Biological Information | Measured by its ability to oxidize L-tryptophan to N-formylk-ynurenine. The specific activity is > 400 pmoles/min/μg. |
Description | IDO Protein, Human, Recombinant (His) is expressed in E. coli expression system with His tag. The predicted molecular weight is 46 kDa and the accession number is P14902-1. |
Species | Human |
Expression System | E. coli |
Tag | N-His |
Accession Number | P14902-1 |
Synonyms | IDO,indoleamine 2,3-dioxygenase 1,Indoleamine 2,3‑dioxygenase,INDO,IDO-1 |
Construction | The Human IDO1 (P14902-1) (Ala 2-Gly 403) was expressed, with a polyhistide tag at the N-terminus. |
Protein Purity | > 88 % as determined by SDS-PAGE |
Molecular Weight | 46 kDa (predicted) |
Endotoxin | Please contact us for more information. |
Formulation | Supplied as sterile 50 mM Tris, 0.15M NaCl, 10% glycerol, pH 8.0. |
Reconstitution | A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information. |
Stability & Storage | It is recommended to store the product under sterile conditions at -20°C to -80°C. Samples are stable for up to 12 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
Shipping | Kinases are highly recommended to be shipped at frozen temperature with blue ice or dry ice. |
Research Background | Indoleamine 2,3-dioxygenase-1, also known as Indoleamine-pyrrole 2,3-dioxygenase, IDO1, and IDO, is a member of the indoleamine 2,3-dioxygenase family. IDO1 / IDO and tryptophan 2,3-dioxygenase (TDO) are tryptophan-degrading enzymes that catalyze the first step in tryptophan catabolism via the kynurenine pathway. TDO is widely distributed in both eukaryotes and bacteria. In contrast, IDO has been found only in mammals and yeast. In 27, a third enzyme, indoleamine 2,3-dioxygenase-2 (IDO2), was discovered. IDO2 is found not only in mammals but also in lower vertebrates. IDO1 / IDO is an immunosuppressive molecule inducible in various cells. IDO1 / IDO catalyzes the cleavage of the pyrrole ring of tryptophan and incorporates both atoms of a molecule of oxygen. It mediates oxidative cleavage of tryptophan, an amino acid essential for cell proliferation and survival. IDO1 / IDO inhibition is proposed to have therapeutic potential in immunodeficiency-associated abnormalities, including cancer. The IDO pathway is activated in multiple tumor types. Selective inhibition of IDO1 may represent an attractive cancer therapeutic strategy via up-regulation of cellular immunity. IDO1 / IDO is an enzyme that suppresses adaptive T-cell immunity by catabolizing tryptophan from the cellular microenvironment. Inhibition of IDO pathway might enhance the efficacy of immunotherapeutic strategies for cancer.Cancer ImmunotherapyCo-inhibitory Immune Checkpoint TargetsImmune CheckpointImmune Checkpoint Detection: ELISA AntibodiesImmunotherapyTargeted Therapy |
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