Cat. # | Size | Qty. | Price |
---|---|---|---|
5105S | 100 µl |
|
REACTIVITY | H |
SENSITIVITY | Endogenous |
MW (kDa) | 92 |
Source/Isotype | Rabbit IgG |
Product Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Immunoprecipitation | 1:100 |
For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
NOTE: Please refer to primary antibody product webpage for recommended antibody dilution.
From sample preparation to detection, the reagents you need for your Western Blot are now in one convenient kit: #12957 Western Blotting Application Solutions Kit
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
Load 20 µl onto SDS-PAGE gel (10 cm x 10 cm).
NOTE: Loading of prestained molecular weight markers (#59329, 10 µl/lane) to verify electrotransfer and biotinylated protein ladder (#7727, 10 µl/lane) to determine molecular weights are recommended.
NOTE: Volumes are for 10 cm x 10 cm (100 cm2) of membrane; for different sized membranes, adjust volumes accordingly.
* Avoid repeated exposure to skin.
posted June 2005
revised June 2020
Protocol Id: 10
This protocol is intended for immunoprecipitation of native proteins utilizing Protein A agarose beads for analysis by western immunoblot or kinase activity.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
10X Cell Lysis Buffer: (#9803) To prepare 10 ml of 1X cell lysis buffer, add 1 ml cell lysis buffer to 9 ml dH2O, mix.
NOTE: Add 1 mM PMSF (#8553) immediately prior to use.
IMPORTANT: Appropriate isotype controls are highly recommended in order to show specific binding in your primary antibody immunoprecipitation. Use Normal Rabbit IgG #2729 for rabbit polyclonal primary antibodies, Rabbit (DA1E) mAb IgG XP® Isotype Control #3900 for rabbit monoclonal primary antibodies, Mouse (G3A1) mAb IgG1 Isotype Control #5415 for mouse monoclonal IgG1 primary antibodies, Mouse (E5Y6Q) mAb IgG2a Isotype Control #61656 for mouse monoclonal IgG2a primary antibodies, Mouse (E7Q5L) mAb IgG2b Isotype Control #53484 for mouse monoclonal IgG2b primary antibodies, and Mouse (E1D5H) mAb IgG3 Isotype Control #37988 for mouse monoclonal IgG3 primary antibodies. Isotype controls should be concentration matched and run alongside the primary antibody samples.
Proceed to one of the following specific set of steps.
NOTE: When using primary antibodies produced in rabbit to detect proteins with a molecular weight in the range of 50 kDa, we recommend using Mouse Anti-Rabbit IgG (Light-Chain Specific) (D4W3E) mAb (#45262) or Mouse Anti-Rabbit IgG (Conformation Specific) (L27A9) mAb (#3678) (or HRP conjugate #5127) as a secondary antibody to minimize interference produced by denatured rabbit heavy chain. For proteins with a molecular weight in the range of 25 kDa, Mouse Anti-Rabbit IgG (Conformation Specific) (L27A9) mAb (#3678) (or HRP conjugate #5127) is recommended to minimize interference produced by denatured mouse light chain.
When using primary antibodies produced in mouse to detect proteins with a molecular weight in the range of 50 kDa, we recommend using Rabbit Anti-Mouse IgG (Light Chain Specific) (D3V2A) mAb (HRP Conjugate) (#58802) as a secondary antibody to minimize interference produced by denatured mouse heavy chain.
posted December 2008
revised October 2021
Protocol Id: 409
Human
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human TAX1BP1 protein.
Tax1-binding protein (TAX1BP) 1 is an essential regulator of innate immunity and was originally identified in a yeast two-hybrid screen as a human T-lymphotropic virus Type 1 (HTLV-1) Tax1-binding protein and named TXBP151 (1-3). Independently, TAX1BP1 was discovered in yeast two-hybrid screens that sought to identify novel binding partners of A20 (4) and TRAF6, where it was named T6BP (5). Two human TAX1BP1 transcripts encoding modular proteins of 747 and 789 amino acids have been identified (4). The N-terminal region of TAX1BP1 possesses a SKIP carboxyl homology (SKITCH) domain and a 14-3-3 binding motif. The central region of TAX1BP1 harbors coiled-coil structures and helix-loop-helix regions that are thought to promote the formation of TAX1BP1 homodimers (5). The TAX1BP1 C-terminal region posesses zinc finger domains that function as novel ubiquitin-binding domains and allow for complex formation with K63-ubiquitinated RIP1 and TRAF6 (6) as well as the E3 ubiquitin ligase ITCH (7). One of the major physiologic roles of TAX1BP1 is to serve as an essential component of a negative feedback loop aimed at restraining canonical NF-κB-mediated proinflammatory signaling cascades initiated by TNF and IL-1. It is likely that TAX1BP1 functions as a ubiquitin-binding adaptor protein that inducibly recruits A20 to a complex consisting, in part, of K63-ubiquitinated TRAF6, RIP1, and their cognate E2 conjugating enzyme, thus allowing for A20-mediated ubiquitin-editing and termination of NF-κB signaling (6,8,9). A recent report identified IKKα as a novel regulator of TAX1BP1 function and demonstrated that IKKα-dependent phosphorylation of TAX1BP1 at Ser593 and Ser624 in response to TNF and IL-1 is critical for its ability to orchestrate formation of the A20 ubiquitin-editing complex involved in termination of NF-κB signaling (10).
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