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Ubiquitin Antibody: APC/Cy7, Monoclonal

Ubiquitin Antibody: APC/Cy7, Monoclonal
572,73 €
Artikelnummer: STRSMC-171B-APCCY7

Verfügbarkeit: Regellieferzeit: Innerhalb 1 - 2 Wochen

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Ubiquitin Antibody: APC/Cy7, Monoclonal, Clone: 6C11-B3, Host: Mouse, Isotype: IgG2a


Mouse Anti-Bovine Ubiquitin Monoclonal IgG2a Kappa
Target: Ubiquitin
Purification: Protein G Purified
Specificity: Detects ~10kDa.
Conjugate: APC/Cy7
Immunogen Species: Bovine
Cellular Location: Cytoplasm, Nucleus
Immunogen: Native bovine ubiquitin, conjugated to KLH
Scientific Background: Ubiquitin is a small protein that occurs in all eukaryotic cells. The ubiquitin protein itself consists of 76 amino acids and has a molecular mass of about 8.5kDa. Key features include its C-terminal tail and the 7 Lys residues. It is highly conserved among eukaryotic species: Human and yeast ubiquitin share 96% sequence identity (1). The main function of Ubiquitin is to clear abnormal, foreign and improperly folded proteins by targeting them for degradation by the 26S proteosome (2). Ubiquitination represents an essential cellular process affected by a multi-enzyme cascade involving classes of enzymes known as ubiquitin-activating enzymes (E1s), ubiquitin-conjugating enzymes (E2s or Ubcs) and ubiquitin-protein ligases (E3s). Ubiquitin is activated in a two-step reaction by an E1 ubiquitin-activating enzyme in a process requiring ATP as an energy source. The initial step involves production of an ubiquitin-adenylate intermediate. The second step transfers ubiquitin to the E1 active site cysteine residue, with release of AMP. This step results in a thioester linkage between the C-terminal carboxyl group of ubiquitin and the E1 cysteine sulfhydryl group. The third step is a transfer of ubiquitin from E1 to the active site cysteine of a ubiquitin-conjugating enzyme E2 via a trans(thio)esterification reaction. And the final step of the ubiquitylation cascade creates an isopeptide bond between a lysine of the target protein and the C-terminal glycine of ubiquitin. In general, this step requires the activity of one of the hundreds of E3 ubiquitin-protein ligases (often termed simply ubiquitin ligase). E3 enzymes function as the substrate recognition modules of the system and are capable of interaction with both E2 and substrate(2, 3). Ubiquitination also participates in the internalization and degradation of plasma membrane proteins such as some of the TCR subunits while still ER-membrane associated (4). Ubiquitin also plays a role in regulating signal transduction cascades through the elimination inhibitory proteins, such as IκBα and p27 (5).
Reference: 1. Wilkinson K.D. (1995) Annu. Rev. Nutr. 15:161-189.2. Bonifacino J.S., et al. (1998) Annu Rev Cell Dev Biol. 14: 19-57.3. Boston Biochem: "Ubiquitin Proteasome Pathway Overview” http://www.bostonbiochem.com/upp.php4. Yang M., et al. (1998) J Exp Med. 187: 1835-1846.5. Chen Z.J., et al. (1996) Cell 84: 853-862.


Artikelnummer STRSMC-171B-APCCY7
Hersteller Stressmarq Biosciences
Herstellernummer SMC-171B-APCCY7
Verpackungseinheit 200 µg
Mengeneinheit FL
Reaktivität Cow (Bovine), Human, Mouse (Murine), Rat (Rattus)
Klonalität Monoclonal
Wirt / Host Mouse
Methode ELISA, Immunocytochemistry, Immunofluorescence, Western Blotting
Isotype IgG2
Gene ID NCBI (externer Link)
Datenblatt Download
MSDS Download