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Specifications

Clone Host Grade Applications Polyclonal Rabbit Affinity Purified B IP IC FC IF

Neural precursor cell-expressed developmentally downregulated protein 8 (NEDD8), also known as Rub1 (related to ubiquitin 1) in plants and yeast, is a member of the ubiquitin-like protein family (1,2). The covalent attachment of NEDD8 to target proteins, termed neddylation, is a reversible, multi-step process analogous to ubiquitination. NEDD8 is first synthesized in a precursor form with a carboxy-terminal extension peptide that is removed by either the UCH-L3 or NEDP1/DEN1 hydrolase protein to yield a mature NEDD8 protein (3,4). Mature NEDD8 is then covalently linked to target proteins via the carboxy-terminal glycine residue in a reaction catalyzed by the APP-BP1/Uba3 heterodimer complex and Ubc12 as the E1- and E2-like enzymes, respectively (5). An E3 ligase protein, Roc1/Rbx1, is also required for neddylation of the cullin proteins (6). Protein de-neddylation is catalyzed by a number of enzymes in the cell, including a "ubiquitin-specific" protease USP21, the NEDP1/DEN1 hydrolase and the COP9/signalosome (CSN) (7,8,9). In contrast to the ubiquitin pathway, the NEDD8 modification system acts on only a few substrates and does not appear to target proteins for degradation. Neddylation of cullin proteins activates the SCF (Skp1-Cullin- F-box) E3 ubiquitin ligase complex by promoting complex formation and enhancing the recruitment of the E2-ubiquitin intermediate (10). While NEDD8 modification of VHL is not required for ubiquitination of HIF1- , it is required for fibronectin matrix assembly (11). Mdm2-dependent neddylation of p53 inhibits its transcriptional activity (12).
Catalog #	N0580-02A
Applications	Suitable for use in Immunofluorescence, Western Blot, Immunoprecipitation, Immunohistochemistry (paraffin), and Flow Cytometry. Other applications not tested.
Recommended Dilution	Western Blot 1:1000
	Immunoprecipitation 1:25
	Immunofluorescence (IF-IC) 1:200
	Flow Cytometry: 1:200
	Optimal dilutions to be determined by the researcher.
Storage and Stability	May be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
CAS Number	n/a
Clone Type	Polyclonal
Host	Rabbit
Source	Human
Concentration	Not determined
Form	Supplied as a liquid in 10mM HEPES, pH 7.5, 150mM sodium chloride, 100ug/ml BSA, 50% glycerol and less than 0.02% sodium azide.
Purity	Purified by immunoaffinity chromatography.
Immunogen	Synthetic peptide (KLH-coupled) corresponding to amino acids at the amino terminus of human NEDD8 protein.
Specificity	Detects endogenous levels of both free and conjugated NEDD8 protein. The antibody does not cross-react with other ubiquitin family members, including ubiquitin, SUMO-1, SUMO-2, SUMO-3 and ISG15. Species Crossreactivity: human, monkey, mouse and rat and. Expected to cross-reacti with bovine, Xenopus, and zebrafish based on sequence homology.
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.