Polyubiquitin chains linked through the Lys48 residue of ubiquitin are most commonly associated with proteins targeted for proteosomal degradation. In contrast, polyubiquitin chains linked through the Lys63 residue of ubiquitin (Ub) are associated with nonproteolytic functions such as signal transduction. Lys63-linked polyUb chains connect components of NFκB signaling in a highly regulated manner, and genetic evidence indicates the involvement of Lys63-linked Ub chains in stress response and DNA repair. Research in yeast has suggested Lys63-linked Ub chains stimulate endocytosis.
Specificity
Recognizes ubiquitin linked at Lys48. Does not recognize ubiquitin linked at Lys63 or free ubiquitin.
Immunogen
Epitope: Lys48 ubiquitination site
Immunogen used was di-ubiquitin linked at Lys48
Application
Milli-Mark Anti-Ubiquitin Antibody, Lys48-Specific-FITC, clone Apu2 is an antibody against Ubiquitin for use in FC.
Research Category Signaling
Research Sub Category Ubiquitin & Ubiquitin Metabolism
Quality
Evaluated by flow cytometry using HeLa cells
Target description
Molecular weight varies
Physical form
Protein A purified
Purified recombinant rabbit monoclonal IgG conjugated to FITC in PBS with 0.1% sodium azide and 15 mg/mL BSA.
Storage and Stability
Maintain refrigerated at 2-8°C protected from light for up to 6 months from date of receipt.
Analysis Note
Control HeLa cells
Legal Information
MILLI-MARK is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Storage Class
10 - Combustible liquids
wgk_germany
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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Molecular biology of the cell, 25(8), 1355-1365 (2014-02-14)
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