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AB131086

Anti-IDO-2 antibody

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Rabbit Polyclonal IDO-2 antibody. Suitable for WB and reacts with Human samples. Immunogen corresponding to Synthetic Peptide within Human IDO2.

View Alternative Names

INDOL1, IDO2, IDO-2

1 Images
Western blot - Anti-IDO-2 antibody (AB131086)
  • WB

Supplier Data

Western blot - Anti-IDO-2 antibody (AB131086)

Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. After Electrophoresis, proteins were transferred to a Nitrocellulose membrane at 150mA for 50-90 minutes. Blocked the membrane with 5% Non-fat Milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-IDO2 antigen affinity purified polyclonal antibody (Catalog # ab131086) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1/10000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit with Tanon 5200 system.

All lanes:

Western blot - Anti-IDO-2 antibody (ab131086) at 0.5 µg/mL

Lane 1:

A549 whole cell lysates at 50 µg

Lane 2:

Human placenta tissue lysates at 50 µg

Lane 3:

Caco-2 whole cell lysates at 50 µg

Lane 4:

PC-3 whole cell lysates at 50 µg

Observed band size: 47 kDa

false

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

Human

Applications

WB

applications

Immunogen

Synthetic Peptide within Human IDO2. The exact immunogen used to generate this antibody is proprietary information.

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "0.1-0.5 µg/mL", "WB-species-notes": "<p></p>" } } }

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Immunogen
Storage buffer
Preservative: 0.06% Sodium azide, 0.06% Thimerosal (merthiolate) Constituents: 30.83% BSA, 5.55% Sodium chloride, 1.23% Disodium hydrogenorthophosphate
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Indoleamine 23-dioxygenase 2 (IDO-2) is an enzyme involved in tryptophan catabolism. IDO-2 is also known as INDOL1 or INDOLE-2. This enzyme differs from its counterpart IDO1 in its substrate specificity and tissue distribution. IDO-2 has a molecular mass of approximately 45 kDa. It is expressed in various tissues including liver kidney and placenta with notably higher expression in immune system cells like dendritic cells and macrophages.
Biological function summary

IDO-2 participates in the degradation of the essential amino acid tryptophan via the kynurenine pathway. This process helps modulate immune responses by reducing tryptophan availability and producing metabolites that affect T-cell function. IDO-2 is not known to be part of a larger protein complex but it does work in parallel with IDO1 to contribute to immune tolerance and homeostasis within the body.

Pathways

The kynurenine pathway prominently involves IDO-2 where it aids in the conversion of tryptophan to kynurenine influencing pathways related to immune regulation. IDO-2 interacts closely with enzymes such as tryptophan 23-dioxygenase (TDO) sharing roles in tryptophan metabolism. Both IDO2 and IDO1 can lead to the production of kynurenine highlighting their shared influence within this metabolic pathway.

The activity of IDO-2 plays a role in conditions like cancer and autoimmune diseases. In cancer its ability to suppress immune attack on tumors by depleting tryptophan and generating immunosuppressive metabolites allows tumor cells to escape immune surveillance. In autoimmune disorders like systemic lupus erythematosus altered tryptophan metabolism through IDO-2 involvement can affect disease progression. IDO-2 works alongside IDO1 within these pathological contexts influencing disease outcomes due to their shared enzymatic roles in immune modulation.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Catalyzes the first and rate limiting step of the catabolism of the essential amino acid tryptophan along the kynurenine pathway (PubMed : 17671174). Involved in immune regulation. May not play a significant role in tryptophan-related tumoral resistance (PubMed : 25691885).
See full target information IDO2

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