IDO1 (NM_002164) Human Recombinant Protein

CAT#: TP306592

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



  View other "IDO1" proteins (3)

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USD 823.00


Availability*
In Stock

Size
    • 20 ug


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Specifications

Product Data
Species Human
Expression Host HEK293T
Expression cDNA Clone or AA Sequence
>RC206592 protein sequence
Red=Cloning site Green=Tags(s)

MAHAMENSWTISKEYHIDEEVGFALPNPQENLPDFYNDWMFIAKHLPDLIESGQLRERVEKLNMLSIDHL
TDHKSQRLARLVLGCITMAYVWGKGHGDVRKVLPRNIAVPYCQLSKKLELPPILVYADCVLANWKKKDPN
KPLTYENMDVLFSFRDGDCSKGFFLVSLLVEIAAASAIKVIPTVFKAMQMQERDTLLKALLEIASCLEKA
LQVFHQIHDHVNPKAFFSVLRIYLSGWKGNPQLSDGLVYEGFWEDPKEFAGGSAGQSSVFQCFDVLLGIQ
QTAGGGHAAQFLQDMRRYMPPAHRNFLCSLESNPSVREFVLSKGDAGLREAYDACVKALVSLRSYHLQIV
TKYILIPASQQPKENKTSEDPSKLEAKGTGGTDLMNFLKTVRSTTEKSLLKEG

TRTRPLEQKLISEEDLAANDILDYKDDDDKV
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.
Preparation Recombinant protein was captured through anti-DDK affinity column followed by conventional chromatography steps.
Storage Store at -80°C.
Stability Stable for 12 months from the date of receipt of the product under proper storage and handling conditions. Avoid repeated freeze-thaw cycles.
Reference Data
RefSeq NP_002155
Locus ID 3620
UniProt ID P14902, A0A348GSI3
Cytogenetics 8p11.21
Refseq Size 1944
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 Druggable Genome
Protein Pathways Metabolic pathways, Tryptophan metabolism

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Other Versions

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