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Cat.No.: F4699
| Dilution |
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| Application |
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| WB, IP, IHC |
| Reactivity |
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| Human, Mouse, Rat, Monkey |
| Source |
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| Rabbit Monoclonal Antibody |
| Storage Buffer |
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| PBS, pH 7.2+50% Glycerol+0.05% BSA+0.01% NaN3 |
| Storage (from the date of receipt) |
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| -20°C (avoid freeze-thaw cycles), 2 years |
| Predicted MW |
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| 9 kDa |
| Positive Control | Human colon carcinoma; Human ovarian carcinoma; Human breast carcinoma; HeLa cells; RAW cells; C6 cells; COS cells |
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| Negative Control |
| Specificity |
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| NEDD8 Antibody [F18P17] detects endogenous levels of total NEDD8 protein. |
| Clone |
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| F18P17 |
| Synonym(s) |
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| Ubiquitin-like protein NEDD8; Neddylin; Neural precursor cell expressed developmentally down-regulated protein 8 (NEDD-8); NEDD8 |
| Background |
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| NEDD8, or Neural precursor cell expressed developmentally downregulated protein 8, is a ubiquitin-like protein of 76 amino acids and a homolog of Rub1. It adopts a compact ubiquitin-fold beta-grasp structure composed of an alpha-helix, a four-stranded beta-sheet, and an exposed C-terminal glycine residue that is crucial for covalent attachment to lysine side chains, most commonly lysine 60 on cullin proteins. This conjugation occurs after maturation by NEDP1 protease cleavage of its precursor. NEDD8 mediates neddylation, a reversible post-translational modification that activates cullin-RING ligase (CRL) E3 ubiquitin complexes. Neddylation is catalyzed sequentially by E1 (NAE1/UBA3), E2 (UBC12), and E3 (RBX1) enzymes, leading to enhanced cullin dimerization, improved recruitment of E2-ubiquitin conjugates, and increased ubiquitination activity towards substrates such as cyclin E, p27, HIF1 alpha, and NF-kappaB regulators. Through these effects, NEDD8 drives vital processes including cell cycle progression, DNA repair, inflammation, and stress responses. Deneddylation by the COP9 signalosome (CSN) and USP21 recycles cullins and maintains cellular homeostasis. Dysregulated neddylation contributes to diseases such as cancer, where NAE1 overexpression in lung and hepatocellular carcinomas leads to CRL hyperactivation and tumor growth, as well as to neurodegeneration and viral infections. |
| References |
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