Alternative Name(s):

Short name: IDO-1 Alternative name(s): Indoleamine-pyrrole 2,3-dioxygenase

Species: (Organism)

Mus musculus (Mouse)

Gene Names:

Ido1

Tag info:

N-terminal 6xHis-tagged

Target Protein AA Sequence:

MALSKISPTEGSRRILEDHHIDEDVGFALPHPLVELPDAYSPWVLVARNLPVLIENGQLREEVEKLPTLSTDGLRGHRLQRLAHLALGYITMAYVWNRGDDDVRKVLPRNIAVPYCELSEKLGLPPILSYADCVLANWKKKDPNGPMTYENMDILFSFPGGDCDKGFFLVSLLVEIAASPAIKAIPTVSSAVERQDLKALEKALHDIATSLEKAKEIFKRMRDFVDPDTFFHVLRIYLSGWKCSSKLPEGLLYEGVWDTPKMFSGGSAGQSSIFQSLDVLLGIKHEAGKESPAEFLQEMREYMPPAHRNFLFFLESAPPVREFVISRHNEDLTKAYNECVNGLVSVRKFHLAIVDTYIMKPSKKKPTDGDKSEEPSNVESRGTGGTNPMTFLRSVKDTTEKALLSWP

Expression Region:

1-407aa

Subcellular Location:

Cytoplasm, cytosol

Tissue Specificity:

Highly expressed in epididymis, duodemum, jejunum, ileum, colon and spleen (PubMed:19741271). Highly expressed in epididymis, prostate, duodemum, jejunum, ileum, colon and spleen, not detected in the liver (at protein level) (PubMed:19741271). Expressed in tumors only upon exposure to IFN gamma (PubMed:25691885). Constitutively expressed in placenta in trophoblast cells (PubMed:15063630). Expression is restricted to perinuclear regions of primary trophoblast giant cells (TGCs) of fetal origin at mid-gestation (E10.5). After placentation (E14), no IDO expression was detected at the maternal-fetal interface (PubMed:15063630).

Protein Length:

Full Length

Pathway:

Mol. Weight:

47.6 kDa

Purity:

Greater than 90% as determined by SDS-PAGE.

Form:

Liquid or Lyophilized powder

Buffer:

If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.

Research Areas:

Signal Transduction

Function:

Catalyzes the first and rate limiting step of the catabolism of the essential amino acid tryptophan along the kynurenine pathway. Involved in the peripheral immune tolerance, contributing to maintain homeostasis by preventing autoimmunity or immunopathology that would result from uncontrolled and overreacting immune responses. Tryptophan shortage inhibits T lymphocytes division and accumulation of tryptophan catabolites induces T-cell apoptosis and differentiation of regulatory T-cells. Acts as a suppressor of anti-tumor immunity

Involvement in disease:

Relevance:

Catalyzes the first and rate limiting step of the catabolism of the essential amino acid tryptophan along the kynurenine pathway. Involved in the peripheral immune tolerance, contributing to maintain homeostasis by preventing autoimmunity or immunopathology that would result from uncontrolled and overreacting immune responses. Tryptophan shortage inhibits T lymphocytes division and accumulation of tryptophan catabolites induces T-cell apoptosis and differentiation of regulatory T-cells. Acts as a suppressor of anti-tumor immunity (PubMed:25691885). Limits the growth of intracellular pathogens by depriving tryptophan. Protects the fetus from maternal immune rejection

Reconstitution:

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.

Protein Families:

Indoleamine 2,3-dioxygenase family

Reference:

"Tryptophan-degrading enzymes in tumoral immune resistance."van Baren N., Van den Eynde B.J.Front. Immunol. 6:34-34(2015) .