Human OTUB1 knockout HEK-293T cell lysate (ab257569)
Overview
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Product name
Human OTUB1 knockout HEK-293T cell lysate -
Product overview
Knockout cell lysate achieved by CRISPR/Cas9. -
Parental Cell Line
HEK293T -
Organism
Human -
Mutation description
Knockout achieved by using CRISPR/Cas9, 19 bp deletion in exon 1 and Insertion of the selection cassette in exon 1. -
Passage number
<20 -
Knockout validation
Sanger Sequencing, Western Blot (WB) -
Reconstitution notes
To use as WB control, resuspend the lyophilizate in 50 µL of LDS* Sample Buffer to have a final concentration of 2 mg/ml. For reducing conditions, we recommend a final concentration of 0.1 M DTT.*Usage of SDS sample buffer is not recommended with these lyophilized lysates.
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Notes
Lysate preparation: Our lysates are made using RIPA buffer to which we add a protease inhibitor cocktail and phosphatase inhibitor cocktail (ratio: 300:100:10). This means that the protein of interest is denatured. If you require a native form of the protein please use the live cell version - found here. Please refer to our lysis protocol for further details on how our lysates are prepared.
User storage instructions: Lyophilizate may be stored at 4°C. After reconstitution, store at -20°C for short-term storage or -80°C for long-term storage.
Access thousands of knockout cell lysates, generated from commonly used cancer cell lines.
See here for more information on knockout cell lysates.Abcam has not and does not intend to apply for the REACH Authorisation of customers’ uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.This product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our limited use license and patent pages.
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Tested applications
Suitable for: WBmore details
Properties
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Storage instructions
Store at -80°C. Please refer to protocols. -
Components 1 kit ab260285 - Human OTUB1 knockout HEK293T cell lysate 1 x 100µg ab255553 - Human wild-type HEK293T cell lysate 1 x 100µg -
Research areas
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Cell type
epithelial -
STR Analysis
Amelogenin X D5S818: 8, 9 D13S317: 12, 14 D7S820: 11 D16S539: 9, 13 vWA: 16, 19 TH01: 7, 9.3 TPOX: 11 CSF1PO: 11, 12
Target
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Function
Hydrolase that can remove conjugated ubiquitin from proteins and plays an important regulatory role at the level of protein turnover by preventing degradation. Regulator of T-cell anergy, a phenomenon that occurs when T-cells are rendered unresponsive to antigen rechallenge and no longer respond to their cognate antigen. Acts via its interaction with RNF128/GRAIL, a crucial inductor of CD4 T-cell anergy. Isoform 1 destabilizes RNF128, leading to prevent anergy. In contrast, isoform 2 stabilizes RNF128 and promotes anergy. Surprisingly, it regulates RNF128-mediated ubiquitination, but does not deubiquitinate polyubiquitinated RNF128. Deubiquitinates estrogen receptor alpha (ESR1). Mediates deubiquitination of 'Lys-48'-linked polyubiquitin chains, but not 'Lys-63'-linked polyubiquitin chains. Not able to cleave di-ubiquitin. Also capable of removing NEDD8 from NEDD8 conjugates, but with a nuch lower preference compared to 'Lys-48'-linked ubiquitin. -
Tissue specificity
Isoform 1 is ubiquitous. Isoform 2 is expressed only in lymphoid tissues such as tonsils, lymph nodes and spleen, as well as peripheral blood mononuclear cells. -
Sequence similarities
Belongs to the peptidase C65 family.
Contains 1 OTU domain. -
Domain
In addition to ubiquitin-binding at the Cys-91 active site, a proximal ubiquitin-binding site is also present at Cys-23 Occupancy of the active site is needed to enable tight binding to the second site. Distinct binding sites for the ubiquitins may allow to discriminate among different isopeptide linkages (i.e. 'Lys-48'-, 'Lys-63'-linked polyubiquitin) in polyubiquitin substrates and achieve linkage-specific deubiquitination. -
Cellular localization
Cytoplasm. - Information by UniProt
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Alternative names
- Deubiquitinating enzyme OTUB1
- hOTU1
- HSPC263
see all
Associated products
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KO cell lines
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Related Products
Applications
The Abpromise guarantee
Our Abpromise guarantee covers the use of ab257569 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Application | Abreviews | Notes |
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WB |
Use at an assay dependent concentration. Predicted molecular weight: 31 kDa.
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Notes |
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WB
Use at an assay dependent concentration. Predicted molecular weight: 31 kDa. |
Images
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Lane 1: Wild-type HEK-293T cell lysate (20 µg)
Lane 2: OTUB1 knockout HEK-293T cell lysate (20 µg)
Lanes 1-2: Merged signal (red and green). Green - ab175200 observed at 31 kDa. Red - loading control ab8245 observed at 37 kDa.
ab175200 Anti-OTUB1 antibody [EPR13028(B)] was shown to specifically react with OTUB1 in wild-type HEK-293T cells. Loss of signal was observed when knockout cell line ab266551 (knockout cell lysate ab257569) was used. Wild-type and OTUB1 knockout samples were subjected to SDS-PAGE. ab175200 and Anti-GAPDH antibody [6C5] - Loading Control (ab8245) were incubated overnight at 4°C at 1 in 1000 Dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.
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Lane 1: Wild-type HEK-293T cell lysate (20 µg)
Lane 2: OTUB1 knockout HEK-293T cell lysate (20 µg)
Lanes 1-2: Merged signal (red and green). Green - ab101471 observed at 130 kDa. Red - loading control ab8245 observed at 37 kDa.
ab101471 Anti-OTUB1 antibody was shown to specifically react with OTUB1 in wild-type HEK-293T cells. Loss of signal was observed when knockout cell line ab266551 (knockout cell lysate ab257569) was used. Wild-type and OTUB1 knockout samples were subjected to SDS-PAGE. ab101471 and Anti-GAPDH antibody [6C5] - Loading Control (ab8245) were incubated overnight at 4°C at 1 in 10000 ug/ml and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.
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Allele-1: 19 bp deletion in exon 1
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Allele-2: Insertion of the selection cassette in exon 1
Protocols
To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.
Datasheets and documents
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SDS download
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Datasheet download
References (0)
ab257569 has not yet been referenced specifically in any publications.