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TAB3 Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| IHC-P, E |
|---|---|
| Primary Accession | Q8N5C8 |
| Other Accession | NP_690000, 98991767 |
| Reactivity | Human |
| Host | Rabbit |
| Clonality | Polyclonal |
| Isotype | IgG |
| Calculated MW | 78653 Da |
| Application Notes | TAB3 antibody can be used for detection of TAB3 by immunohistochemistry at 5 µg/mL. |
| Gene ID | 257397 |
|---|---|
| Other Names | TAB3 Antibody: NAP1, MAP3K7IP3, TGF-beta-activated kinase 1 and MAP3K7-binding protein 3, Mitogen-activated protein kinase kinase kinase 7-interacting protein 3, TAB-3, TGF-beta activated kinase 1/MAP3K7 binding protein 3 |
| Target/Specificity | TAB3; TAB3 antibody is human specific. TAB3 antibody is predicted not to cross-react with other TAB proteins. |
| Reconstitution & Storage | TAB3 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures. |
| Precautions | TAB3 Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | TAB3 {ECO:0000303|PubMed:14633987, ECO:0000312|HGNC:HGNC:30681} |
|---|---|
| Function | Adapter required to activate the JNK and NF-kappa-B signaling pathways through the specific recognition of 'Lys-63'-linked polyubiquitin chains by its RanBP2-type zinc finger (NZF) (PubMed:14633987, PubMed:14766965, PubMed:15327770, PubMed:22158122). Acts as an adapter linking MAP3K7/TAK1 and TRAF6 to 'Lys-63'-linked polyubiquitin chains (PubMed:14633987, PubMed:14766965, PubMed:15327770, PubMed:22158122, PubMed:36593296). The RanBP2-type zinc finger (NZF) specifically recognizes Lys-63'-linked polyubiquitin chains unanchored or anchored to the substrate proteins such as RIPK1/RIP1 and RIPK2: this acts as a scaffold to organize a large signaling complex to promote autophosphorylation of MAP3K7/TAK1, and subsequent activation of I-kappa-B-kinase (IKK) core complex by MAP3K7/TAK1 (PubMed:15327770, PubMed:18079694, PubMed:22158122). |
| Tissue Location | Widely expressed. Constitutively overexpressed in certain tumor tissues. [Isoform 2]: Minor transcript. |
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Provided below are standard protocols that you may find useful for product applications.
Background
TAB3 Antibody: TAB3 functions in the NF-kappaB signal transduction pathway. It and the similar and functionally redundant protein TAB2, form a ternary complex with the protein kinase TAK1 and either TRAF2 or TRAF6 in response to stimulation with the pro-inflammatory cytokines TNF or IL-1. Subsequent TAK1 kinase activity triggers a signaling cascade leading to activation of the NF-kappaB transcription factor. Recent experiments have shown that TAB2 and the related protein TAB3 constitutitvely interact with the autophagy mediator Beclin-1; upon induction of autophagy, these proteins dissociate from Beclin-1 and bind TAK1. Overexpression of TAB2 and TAB3 inhibit autophagy, while their depletion triggers it, suggesting that TAB2 and TAB3 act as a control point for autophagy.
References
Cheung PC, Nebreda AR, and Cohen P. TAB3, a new binding partner of the protein kinase TAK1. Biochem. J. 2004; 378:27-34.
Besse A, Lamothe B, Campos AD, et al. TAK1-dependent signaling requires functional interaction with TAB2/TAB3. J. Biol. Chem. 2007; 282:3918-28.
Criollo A, Niso-Santano M, Malik SA, et al. Inhibition of autophagy by TAB2 and TAB3. EMBO J. 2011; 30:4908-20.
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