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12894
USP Antibody Sampler Kit
Primary Antibodies
Antibody Sampler Kit

USP Antibody Sampler Kit #12894

Citations (1)
Enhanced cross-linking and immunoprecipitation (eCLIP) was performed with RNA from K-562 cells and USP10 (D7A5) Rabbit mAb using a protocol based on the RBP-eCLIP Kit from EclipseBio. The figure shows binding across the USP10 transcript. Data is kindly provided by the laboratory of Dr. Gene Yeo and used with permission.
Western blot analysis of extracts from various cell lines using USP14 (D8Q6S) Rabbit mAb.
Western blot analysis of extracts from COS cells, untransfected or transfected with mouse USP28, using USP28 Antibody.
Western blot analysis of extracts from THP-1 cells, untreated or LPS-treated (1 µg/ml, 24 hours), using USP18 (D4E7) Rabbit mAb.
Western blot analysis of extracts from various cell lines using HAUSP (D17C6) XP® Rabbit mAb.
Western blot analysis of extracts from various cell lines using USP9X Antibody.
After the primary antibody is bound to the target protein, a complex with HRP-linked secondary antibody is formed. The LumiGLO® is added and emits light during enzyme catalyzed decomposition.
Western blot analysis of extracts from HeLa, A20 and COS cells using USP1 (D37B4) Rabbit mAb.
Western blot analysis of extracts from various cell lines using USP2 Antibody.
Western blot analysis of extracts from 293T cells, either mock transfected (-) or transfected with a Myc/DDK-tagged cDNA expression construct encoding full-length human USP10 (hUSP10-Myc/DDK, +), using USP10 (D7A5) Rabbit mAb.
Western blot analysis of extracts from various cell lines using USP8 Antibody.
Western blot analysis of extracts from 293T cells, mock transfected (-) or transfected with a construct expressing DDK-tagged full-length human USP14 isoform a (hUSP14-DDK; +), using USP14 (D8Q6S) Rabbit mAb.
Immunoprecipitation of USP18 from THP-1 extracts treated with TPA (12-O-Tetradecanoylphorbol-13-Acetate) #4174 (80nM overnight) and Lipopolysaccharides (LPS) #14011 (1μg/mL overnight). Lane 1 is 10% input, lane 2 is USP18 (D4E7) Rabbit mAb, and lane 3 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900. Western blot analysis was perfomed using USP18 (D4E7) Rabbit mAb. Anti-rabbit IgG, HRP-linked Antibody #7074 was used as a secondary antibody.
Immunohistochemical analysis of paraffin-embedded human colon carcinoma using HAUSP (D17C6) XP® Rabbit mAb.
Western blot analysis of extracts from COS-7 cells, either mock transfected (-) or transfected with a Myc/DDK-tagged cDNA expression construct encoding full-length transcript variant 1 of human USP2 (+), using USP2 Antibody.
Western blot analysis of extracts from various cell lines using USP10 (D7A5) Rabbit mAb.
Western blot analysis of extracts from 293T cells, either mock transfected (-) or transfected (+) with a Myc/DDK-tagged cDNA expression construct encoding full-length human USP8, using USP8 Antibody.
Immunoprecipitation of USP14 from 293T cell extracts using Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (lane 2) or USP14 (D8Q6S) Rabbit mAb (lane 3). Lane 1 is 10% input. Western blot analysis was performed using USP14 (D8Q6S) Rabbit mAb.
Immunohistochemical analysis of paraffin-embedded mouse forestomach using HAUSP (D17C6) XP® Rabbit mAb (left) compared to concentration-matched Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 (right).
Immunoprecipitation of USP1 protein from COS cell extracts. Lane 1 is 10% input, lane 2 is Rabbit (DA1E) mAb IgG XP® Isoype Control #3900, and lane 3 is USP1 (D37B4) Rabbit mAb. Western blot analysis was performed using USP1 (D37B4) Rabbit mAb. Anti-rabbit IgG, HRP-linked Antibody #7074 was used as a secondary antibody.
Immunoprecipitation of USP10 from Hep G2 extracts. Lane 1 is 10% input, lane 2 is USP10 (D7A5) Rabbit mAb, and lane 3 is Rabbit (DA1E) mAb IgG XP® Isotype Control #3900. Western blot analysis was perfomed using USP10 (D7A5) Rabbit mAb. Anti-rabbit IgG, HRP-linked Antibody #7074 was used as a secondary antibody.
Immunohistochemical analysis of paraffin-embedded mouse brain using HAUSP (D17C6) XP® Rabbit mAb.
Confocal immunofluorescent analysis of HCT 116 cells using USP10 (D7A5) Rabbit mAb (green). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).
Immunohistochemical analysis of paraffin-embedded mouse colon using HAUSP (D17C6) XP® Rabbit mAb.
Immunohistochemical analysis of paraffin-embedded human endometrioid adenocarcinoma using HAUSP (D17C6) XP® Rabbit mAb.
Immunohistochemical analysis of paraffin-embedded human prostate carcinoma using HAUSP (D17C6) XP® Rabbit mAb
Confocal immunofluorescent analysis of MCF7 cells using HAUSP (D17C6) XP® Rabbit mAb (green). Actin filaments have been labeled with DY-554 phalloidin (red).
Inquiry Info.# 12894

Product Description

The USP Antibody Sampler Kit provides an economical means of detecting members of the ubiquitin-specific protease (USP) family. The kit includes enough primary antibody to perform two western blot experiments per primary antibody.

Specificity / Sensitivity

Each antibody in the USP Antibody Sampler Kit recognizes endogenous levels of its respective target protein, except for USP28, which detects transfected levels of its target protein. USP2 Antibody cross-reacts with all known USP2 splice variants but does not cross-react with USP21. USP9X Antibody may also cross-react with USP9Y. Based on sequence alignment, USP14 Antibody is predicted to cross-react with both isoform a and isoform b of USP14. The doublet band detected by western blot for USP18 (D4E7) Rabbit mAb represents full-length (39 kDa) and amino-terminal deleted derivative of USP18 (31).

Source / Purification

Monoclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to the carboxy terminus of human HAUSP protein, residues surrounding Leu768 of human USP1 protein, the amino terminus of human USP10 protein, residues near the carboxy terminus of human USP14 protein, or residues surrounding Pro45 of human USP18 protein. Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Leu387 of human USP2 protein, Pro320 of human USP8 protein, Phe2137 of human USP9X protein, or residues surrounding Ala11 of human USP28. Polyclonal antibodies are purified by protein A and peptide affinity chromatography.

Background

Ubiquitinating enzymes (UBEs) catalyze protein ubiquitination, a reversible process countered by deubiquitinating enzyme (DUB) action (1,2). The ubiquitin-specific protease (USP) subfamily is one of five distinct groups of DUB enzymes. Ubiquitin-specific-processing protease 1 (USP1) is regulated in a cell cycle dependent manner by both transcriptional and ubiquitin-proteasomal mechanisms (3). Nuclear USP1 localizes to chromatin where it deubiquitinates monoubiquitinated FANCD2 and plays an important role in DNA damage repair and Chk1 protein stability (3,4). Ubiquitin-specific-processing protease 2 (USP2) contains C19 peptidase activity and is involved in ubiquitin recycling and disassembly of polymeric ubiquitin and ubiquitin-like protein complexes (5). USP2 is a putative oncoprotein that is highly over expressed in prostate cancer and drives tumor growth by binding and stabilizing fatty acid synthase through deubiquitination (6,7).

Herpesvirus-associated ubiquitin-specific protease (HAUSP, USP7) binds and deubiquitinates transcription factor p53 and regulator protein Mdm2, stabilizing both proteins (8,9). HAUSP modifies other ubiquitinated proteins, including FoxO family forkhead transcription factors and the mitotic stress checkpoint protein CHFR (10,11). Ubiquitin-specific protease 8 (USP8, UBPy) is a cysteine protease and growth-regulated enzyme that is essential for cell proliferation and survival (12,13). The catalytic domain of USP9X possesses cysteine peptidase activity that cleaves ubiquitin and polyubiquitin conjugates. USP9X may help stabilize adherens and tight junction molecules during epithelial cell polarization (14,15). USP10 is regulated at the posttranslational level through protein-protein interactions and phosphorylation. Interaction of USP10 with the Ras-GAP SH3 domain binding protein (G3BP) inhibits the ability of USP10 to catalyze ubiquitin chain disassembly (16). ATM-mediated phosphorylation of USP10 at Thr42 and Ser337 promotes USP10 stabilization and relocation from the cytoplasm to the nucleus, where it functions in p53 deubiquitination, stabilization, and activation in response to genotoxic stress (17).

USP14 is recruited to the proteasome through association with the PSMD2 (S2/hRPN1) subunit of the 19S regulatory particle, where it may antagonize substrate degradation (18,19). USP14 trims ubiquitin residues from distal polyubiquitin chain ends, decreasing chain affinity for proteasome ubiquitin receptors and allowing for enhanced substrate stability (20,21). USP18 (UBP43) catalyzes the removal of the interferon-regulated, ubiquitin-like protein ISG15 from conjugated proteins (22). Removal of ISG15 from target proteins maintains a critical balance of cellular ISG15-conjugated proteins, which is important for normal development and brain function (23,24). USP28 can bind, deubiquitinate and stabilize several DNA-damage pathway proteins, including p53BP1 and Chk2 (25). USP28 plays an important role in Myc-related signaling as it catalyzes Myc deubiquitination and promotes Myc stabilization, which contributes to tumor-cell growth (26).

  1. Nijman, S.M. et al. (2005) Cell 123, 773-86.
  2. Nalepa, G. et al. (2006) Nat Rev Drug Discov 5, 596-613.
  3. Nijman, S.M. et al. (2005) Mol Cell 17, 331-9.
  4. Guervilly, J.H. et al. (2011) Hum Mol Genet 20, 2171-81.
  5. Wilkinson, K.D. (1997) FASEB J 11, 1245-56.
  6. Graner, E. et al. (2004) Cancer Cell 5, 253-61.
  7. Priolo, C. et al. (2006) Cancer Res 66, 8625-32.
  8. Li, M. et al. (2002) Nature 416, 648-53.
  9. Brooks, C.L. et al. (2007) Oncogene 26, 7262-6.
  10. van der Horst, A. et al. (2006) Nat Cell Biol 8, 1064-73.
  11. Oh, Y.M. et al. (2007) Biochem Biophys Res Commun 357, 615-9.
  12. Naviglio, S. et al. (1998) EMBO J 17, 3241-50.
  13. Niendorf, S. et al. (2007) Mol Cell Biol 27, 5029-39.
  14. Murray, R.Z. et al. (2004) Mol Biol Cell 15, 1591-9.
  15. Théard, D. et al. (2010) EMBO J 29, 1499-509.
  16. Soncini, C. et al. (2001) Oncogene 20, 3869-79.
  17. Yuan, J. et al. (2010) Cell 140, 384-96.
  18. Lee, B.H. et al. (2010) Nature 467, 179-84.
  19. Koulich, E. et al. (2008) Mol Biol Cell 19, 1072-82.
  20. Hanna, J. et al. (2006) Cell 127, 99-111.
  21. Thrower, J.S. et al. (2000) EMBO J 19, 94-102.
  22. Malakhov, M.P. et al. (2002) J Biol Chem 277, 9976-81.
  23. Rempel, L.A. et al. (2007) Reprod Biol Endocrinol 5, 13.
  24. Ritchie, K.J. et al. (2002) Genes Dev 16, 2207-12.
  25. Zhang, D. et al. (2006) Cell 126, 529-42.
  26. Popov, N. et al. (2007) Nat Cell Biol 9, 765-74.

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