IDO1 (NM_002164) Human Recombinant Protein

CAT#: TP306592

Recombinant protein of human indoleamine 2,3-dioxygenase 1 (IDO1)

Bulk Request/Custom Protein Development


 Product Datasheet for 'TP306592'

USD 680.00


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Size
    • 20 ug

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Specifications

Product Data
Description Recombinant protein of human indoleamine 2,3-dioxygenase 1 (IDO1)
Species Human
Expression Host HEK293
Expression cDNA Clone or AA Sequence Recombinant protein was produced with TrueORF clone, RC206592. Click on the TrueORF clone link to view cDNA and protein sequences.
Tag C-MYC/DDK
Predicted MW 45.1 kDa
Concentration >50 ug/mL as determined by microplate BCA method
Purity > 80% as determined by SDS-PAGE and Coomassie blue staining
Buffer 25 mM Tris.HCl, pH 7.3, 100 mM glycine, 10% glycerol.
Bioactivity The specific activity of IDOI was determined by monitoring kynurenine formation from N-formylkynurenine based on the absorbance at 492nm. The N-formylkynurenine was produced from a conversion of tryptophan with IDO1. The reaction was carried out at 25°C for 15min in the buffer containing 100mM PBS, pH6.5, 40mM ascorbic acid, 450 units catalase, 20µM methylene blue, and 800µM L-tryptophan as the substrate. The reaction was terminated by adding 50ul of 30% (w/v) trichloroacetic acid. The sample was further incubated for 30min at 60°C and centrifuged at 12000 rpm for 15 min. The supernatant was used to mix with an equal volume of Ehrlich’s reagent (2% p-dimethylaminobenzaldehyde in glacial acetic acid) to measure the absorbance at 492 nm after 10min incubation.
Reference Data
RefSeq NP_002155
Locus ID 3620
Refseq Size 1655
Cytogenetics 8p11.21
Refseq ORF 1209
Synonyms IDO; IDO-1; INDO
Summary This gene encodes indoleamine 2,3-dioxygenase (IDO) - a heme enzyme that catalyzes the first and rate-limiting step in tryptophan catabolism to N-formyl-kynurenine. This enzyme acts on multiple tryptophan substrates including D-tryptophan, L-tryptophan, 5-hydroxy-tryptophan, tryptamine, and serotonin. This enzyme is thought to play a role in a variety of pathophysiological processes such as antimicrobial and antitumor defense, neuropathology, immunoregulation, and antioxidant activity. Through its expression in dendritic cells, monocytes, and macrophages this enzyme modulates T-cell behavior by its peri-cellular catabolization of the essential amino acid tryptophan.[provided by RefSeq, Feb 2011].
Protein Families
Protein Pathways
*Delivery time may vary from web posted schedule. Occasional delays may occur due to unforeseen complexities in the preparation of your product. International customers may expect an additional 1-2 weeks in shipping.

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