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Key Specifications Table
| Species Reactivity | Key Applications | Host | Format | Antibody Type |
|---|---|---|---|---|
| H, M | WB, IH(P) | M | Purified | Monoclonal Antibody |
| Description | |
|---|---|
| Catalogue Number | MABN1537 |
| Description | Anti-TDO2 Antibody, clone 7A6.1 |
| Alternate Names |
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| Background Information | Tryptophan 2,3-dioxygenase (EC 1.13.11.11; UniProt P48775; also known as TDO, TO, TRPO, Tryptamin 2,3-dioxygenase, Tryptophan oxygenase, Tryptophan pyrrolase, Tryptophanase) is encoded by the TDO2 (also known as TDO) gene (Gene ID 6999) in human. TDO2 is a cytosolic heme-containing enzyme that exists as a homotetramer, where the N terminal residues of each monomer form part of the substrate binding site in an adjacent monomer. Tryptophan 2,3-dioxygenase (TDO2) catalyzes the first step of the kynurenine pathway, namely the conversion of tryptophan to kynurenine (Kyn), which can also be catalyzed by indoleamine 2,3-dioxygenase 1 (IDO1) or IDO2. IDO1 is expressed in tissues throughout the body, while TDO2 is predominantly expressed in the liver. Altered tryptophan metabolism and increased secretion of tryptophan metabolites are found in solid tumors, including in breast cancer. TDO2-mediated Kyn production in triple-negative breast cancer (TNBC) cells is reported to activate aryl hydrocarbon receptor (AhR), an endogenous kynurenine receptor. Inhibiting TDO2 or AhR via pharmacologic or genetic means is reported to result in increased sensitivity to anoikis, as well as decreased proliferation, migration, and invasion of TNBC cells. |
| Product Information | |
|---|---|
| Format | Purified |
| Presentation | Purified mouse monoclonal IgG2aκ in buffer containing 0.1 M Tris-Glycine (pH 7.4) 150 mM NaCl with 0.05% sodium azide |
| Quality Level | MQ100 |
| Applications | |
|---|---|
| Application | Anti-TDO2, clone 7A6.1, Cat. No. MABN1537, is a highly specific mouse monoclonal antibody that targets TDO2, validated for use in Immunohistochemistry (Paraffin) and Western Blotting. |
| Key Applications |
|
| Application Notes | Immunohistochemistry Analysis: A 1:50 dilution from a representative lot detected TDO2 in human kidney, liver, and small intestine tissue sections. |
| Biological Information | |
|---|---|
| Immunogen | GST-tagged recombinant human TDO2 internal fragment. |
| Clone | 7A6.1 |
| Concentration | Please refer to lot specific datasheet. |
| Host | Mouse |
| Specificity | Clone 7A6.1 targets an internal epitope of human and murine TDO2 (TDO). |
| Isotype | IgG2aκ |
| Species Reactivity |
|
| Species Reactivity Note | Human, Mouse. |
| Antibody Type | Monoclonal Antibody |
| Entrez Gene Number |
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| Gene Symbol |
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| Purification Method | Protein G purified. |
| UniProt Number |
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| Molecular Weight | ~48 kDa observed. 47.87 kDa (human) and 47.76 kDa (mouse) calculated. |
| Product Usage Statements | |
|---|---|
| Quality Assurance | Evaluated by Western Blotting in mouse liver tissue lysate. Western Blotting Analysis: A 1:500 dilution of this antibody detected TDO2 in 10 µg of mouse liver tissue lysate. |
| Usage Statement |
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| Storage and Shipping Information | |
|---|---|
| Storage Conditions | Stable for 1 year at 2-8°C from date of receipt. |
| Packaging Information | |
|---|---|
| Material Size | 200 µL |