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Render Timestamp: 2024-10-09T10:04:49.833Z
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PDP - Template Name: Blocking Peptide
PDP - Template ID: *******6db2f4c
  1. Products /
  2. Experimental Controls /
  3. NEDD8 Blocking Peptide

NEDD8 Blocking Peptide #1048

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    Product Information

    Product Usage Information

    Use as a blocking reagent to evaluate the specificity of antibody reactivity in dot blot protocols.

    Storage

    Supplied in 20 mM potassium phosphate (pH 7.0), 50 mM NaCl, 0.1 mM EDTA, 1 mg/ml BSA and 5% glycerol. 1% DMSO. Store at –20°C.

    Product Description

    This peptide is used to block NEDD8 (19E3) Rabbit mAb #2754 reactivity.

    Quality Control

    The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks NEDD8 (19E3) Rabbit mAb #2754 by dot blot.

    Background

    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-α, it is required for fibronectin matrix assembly (11). Mdm2-dependent neddylation of p53 inhibits its transcriptional activity (12).

    Database Links

    UniProt ID: Q15843


    Entrez-Gene Id: 4738


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