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KEAP1 (aa41-53) Antibody (internal region, near N-Term)
Peptide-affinity purified goat antibody
- SPECIFICATION
- CITATIONS
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- BACKGROUND
Application 
| IHC, IF, Pep-ELISA |
|---|---|
| Primary Accession | Q14145 |
| Other Accession | NP_036421.2, 9817, 50868 (mouse), 117519 (rat) |
| Reactivity | Human, Mouse |
| Predicted | Rat, Pig, Dog, Cow |
| Host | Goat |
| Clonality | Polyclonal |
| Concentration | 0.5 mg/ml |
| Isotype | IgG |
| Calculated MW | 69666 Da |
| Gene ID | 9817 |
|---|---|
| Other Names | Kelch-like ECH-associated protein 1, Cytosolic inhibitor of Nrf2, INrf2, Kelch-like protein 19, KEAP1, INRF2, KIAA0132, KLHL19 |
| Format | 0.5 mg/ml in Tris saline, 0.02% sodium azide, pH7.3 with 0.5% bovine serum albumin |
| Storage | Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
| Precautions | KEAP1 (aa41-53) Antibody (internal region, near N-Term) is for research use only and not for use in diagnostic or therapeutic procedures. |
| Name | KEAP1 {ECO:0000303|PubMed:14585973, ECO:0000312|HGNC:HGNC:23177} |
|---|---|
| Function | Substrate-specific adapter of a BCR (BTB-CUL3-RBX1) E3 ubiquitin ligase complex that regulates the response to oxidative stress by targeting NFE2L2/NRF2 for ubiquitination (PubMed:14585973, PubMed:15379550, PubMed:15572695, PubMed:15983046, PubMed:15601839, PubMed:37339955). KEAP1 acts as a key sensor of oxidative and electrophilic stress: in normal conditions, the BCR(KEAP1) complex mediates ubiquitination and degradation of NFE2L2/NRF2, a transcription factor regulating expression of many cytoprotective genes (PubMed:15601839, PubMed:16006525). In response to oxidative stress, different electrophile metabolites trigger non-enzymatic covalent modifications of highly reactive cysteine residues in KEAP1, leading to inactivate the ubiquitin ligase activity of the BCR(KEAP1) complex, promoting NFE2L2/NRF2 nuclear accumulation and expression of phase II detoxifying enzymes (PubMed:19489739, PubMed:16006525, PubMed:17127771, PubMed:18251510, PubMed:29590092). In response to selective autophagy, KEAP1 is sequestered in inclusion bodies following its interaction with SQSTM1/p62, leading to inactivation of the BCR(KEAP1) complex and activation of NFE2L2/NRF2 (PubMed:20452972). The BCR(KEAP1) complex also mediates ubiquitination of SQSTM1/p62, increasing SQSTM1/p62 sequestering activity and degradation (PubMed:28380357). The BCR(KEAP1) complex also targets BPTF and PGAM5 for ubiquitination and degradation by the proteasome (PubMed:15379550, PubMed:17046835). |
| Cellular Location | Cytoplasm. Nucleus. Note=Mainly cytoplasmic (PubMed:15601839). In response to selective autophagy, relocalizes to inclusion bodies following interaction with SQSTM1/p62 (PubMed:20452972). |
| Tissue Location | Broadly expressed, with highest levels in skeletal muscle. |
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Provided below are standard protocols that you may find useful for product applications.
Background
Reported variants represent identical protein: NP_036421.2, NP_987096.1
References
An exceptionally potent inducer of cytoprotective enzymes: elucidation of the structural features that determine inducer potency and reactivity with Keap1. Dinkova-Kostova AT, Talalay P, Sharkey J, Zhang Y, Holtzclaw WD, Wang XJ, David E, Schiavoni KH, Finlayson S, Mierke DF, Honda T. J Biol Chem. 2010 Oct 29;285(44):33747-55. PMID: 20801881
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