Ubiquitin (Ub) plays a very important role in regulated non-lysosomal ATP dependent protein degradation. The protein to be degraded is conjugated to Ub and the ubiquinated protein is then selectively degraded by the 26S complex, a multicatalytic cytosolic and nuclear protease. The Ub-proteasome proteolytic pathway, which is a complex process, is implicated to be of great importance for regulating numerous cellular processes.
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Flow cytometry analysis of human hepatoma QGY cells analyzed by flow cytometry using isotype control antibody (left) or Ubiquitin Monoclonal Antibody (P4G7-H11) (right) at 10µg/mL

Immunohistochemistry analysis of human brain, cortex tissue stained with Ubiquitin, mAb (P4G7-H11) at 5-10µg/ml.

Western blot analysis of Ubiquitin: Lane 1: MW marker, Lane 2: Ubiquitin, Lane 3: HeLa, Lane 4: RK-13, Lane 5: 3T3, Lane 6: PC-12, Lane 7: Mouse Brain, Lane 8: Rat Brain, Lane 9: MDBK

Comparison of anti-ubiquitin antibodies.Heart and liver lysates (20 μg each) were investigated by Western blotting using five commercially available anti-ubiquitin antibodies (VU101, U5379, AP1228a, P4G7-H11, FK1). Arrow shows location of free unbound ubiquitin. Stain-free staining of total proteins loaded was used as the normalization control. H, heart; L, liver. BSA was used as the blocking reagent for the blot labeled FK1* while non-fat milk was used as the blocking reagent in all the other blots shown. All antibodies were used at a dilution of 1:1000 except for blots labeled U5379* and U5379^ which were used at dilutions of 1:100 and 1:2000 respectively.
Image collected and cropped by CiteAb under a CC-BY license from the following publication: Western Blotting Inaccuracies with Unverified Antibodies: Need for a Western Blotting Minimal Reporting Standard (WBMRS). PLoS One (2015)




Product Details
Application |
Flow Cytometry, IHC (PS), WB |
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Application Notes |
Detects a band of ~6.5kDa by Western blot. |
Clone |
P4G7-H11 |
Formulation |
Liquid. In PBS containing 50% glycerol and 0.09% sodium azide. |
Gene/Protein Identifier |
NP_776558 (RefSeq) |
Host |
Mouse |
Immunogen |
Native bovine Ubiquitin. |
Isotype |
IgG1 |
Purity Detail |
Protein G affinity purified. |
Recommendation Dilutions/Conditions |
Flow Cytometry (10µg/ml)Western Blot (1:1,000, colorimetric)Suggested dilutions/conditions may not be available for all applications.Optimal conditions must be determined individually for each application. |
Source |
Purified from ascites. |
Species Reactivity |
Bovine, Hamster, Human, Mouse, Rabbit, Rat |
UniProt ID |
P0CG53 |
Worry-free Guarantee |
This antibody is covered by our Worry-Free Guarantee. |
Handling & Storage
Handling |
Avoid freeze/thaw cycles. |
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Long Term Storage |
-20°C |
Shipping |
Blue Ice |
Regulatory Status |
RUO – Research Use Only |
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- Transcription factor Nrf1 regulates proteotoxic stress-induced autophagy: Ward, M. A., Vangala, J. R., et al.; J. Cell Biol. 223, (2024), Application(s): WB, Abstract
- Expression quantitative trait loci mapping identified PtrXB38 as a key hub gene in adventitious root development in Populus: T. Yao, et al.; New Phytol. , (2023), Abstract
- Ubiquitin accumulation induced by the finger and palm sub-domains of NS5 modulates the replication of West Nile virus: S. Kobayashi, et al.; Virology 588, 109902 (2023), Abstract
- Antibody targeting of E3 ubiquitin ligases for receptor degradation: H. Marei, et al.; Nature 610, 182 (2022), Abstract
- Deubiquitinases USP20/33 promote the biogenesis of tail-anchored membrane proteins.: Mariappan, M., Culver, J. A., et al.; J. Cell Biol. 220, (2021), Application(s): WB, Abstract
- Real-time tracking of complex ubiquitination cascades using a fluorescent confocal on-bead assay.: Koszela, J., Pham, N. T., et al.; BMC Biol. 16, 88 (2018), Application(s): WB / Reactant(s): E. coli, Abstract
- Lifespan differences between queens and workers are not explained by rates of molecular damage: E.R. Lucas, et al.; Exp. Gerontol. 92, 1 (2017), Abstract
- Stimulation of RNA Polymerase II ubiquitination and degradation by yeast mRNA 3′-end processing factors is a conserved DNA damage response in eukaryotes.: Moore, C., Kuehner, J. N., et al.; DNA Repair (Amst.) 57, 151 (2017), Reactant(s): Saccharomyces cerevisiae, Abstract
- Transcriptional Induction of Metallothionein by Tris(pentafluorophenyl)stibane in Cultured Bovine Aortic Endothelial Cells: T. Fujie, et al.; Int. J. Mol. Sci. 17, 1381 (2016), Application(s): Western blot analysis of protein expression, Abstract — Full Text
- Distinct types of translation termination generate substrates for ribosome-associated quality control: N. Shcherbik, et al.; Nucleic Acids Res. 44, 6840 (2016), Application(s): Cell analysis of the modification of distinct ribosomal species, Abstract — Full Text
- Copper diethyldithiocarbamate as an activator of Nrf2 in cultured vascular endothelial cells.: Shinkai, Y., Yamamoto, C., et al.; J. Biol. Inorg. Chem. 21, 263 (2016), Reactant(s): Bovine, Abstract
- Western Blotting Inaccuracies with Unverified Antibodies: Need for a Western Blotting Minimal Reporting Standard (WBMRS).: Gomes, A. V., Bodine, S. C., et al.; PLoS One 10, e0135392 (2015), Application(s): WB / Reactant(s): Rat, Abstract
- ERK-dependent threonine phosphorylation of EGF receptor modulates receptor downregulation and signaling: S. Frank, et al.; Cell. Signal. 20, 2145 (2008), Application(s): WB using hamster cell lysates, Abstract
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