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Bid Antibody
SPA-01045
| Size | Price |
| 25 µg | Online Inquiry |
| 100 µg | Online Inquiry |
| More Options | Online Inquiry |
| Target Information | |
|---|---|
| Target Name | Bid |
| Gene Abbr. | BID |
| Gene ID | 637 |
| Full Name | BH3 interacting domain death agonist |
| Alias | FP497 |
| Introduction | Bid is a pro-apoptotic “BH3 domain-only” member of the Bcl-2 family originally discovered to interact with both the anti-apoptotic family member Bcl-2 and the pro-apoptotic protein Bax. Bid is normally localized in the cytosolic fraction of cells as an inactive precursor and is cleaved at Asp60 by caspase-8 during Fas signaling, leading to translocation of the carboxyl terminal p15 fragment (tBid) to the mitochondrial outer membrane. Translocation of Bid is associated with release of cytochrome c from the mitochondria, leading to complex formation with Apaf-1 and caspase-9 and resulting in caspase-9 activation. Thus, Bid relays an apoptotic signal from the cell surface to the mitochondria triggering caspase activation. |
| Product Details | |
|---|---|
| Host | Rabbit |
| Clonality | Polyclonal |
| Clone No. | N/A |
| Isotype | IgG |
| Immunogen | A synthetic peptide corresponding to amino acids 28-50 (CSDNSFRRELDALGHELPVLAPQ) of human Bid (also known as Bid, isoform 2) was used as immunogen; GenBank no. NP_001187.1. Human Bid is a 195 amino acid protein. |
| Usage | |
|---|---|
| Application | WB, IHC, IP |
| Dilutions | Western Blot (1:1000-1:2000); Immunoprecipitation (1:50-1:200) |
| MW(KDa) | 15, 22 |
| Reactivity | Human, Mouse, Rat, Canine |
| Specificity | Full-length Bid is known to undergo cleavage/truncation (reviewed in Yin, 2006). Bid was initially found to be cleaved and activated by capspase-8 following death receptor activation. The term "Bid" was first used to described the caspase-8 cleaved/truncated C-terminal Bid. Bid can be also cleaved by other proteases such as Granzyme B, calpains and cathepsin. The C-terminal portion is considered to be the active Bid moiety. This active form can translocate from the cytosol to the mitochondria. Therefore, the appearance of Bid in the mitochondria is considered to be an indication of active Bid. However, it should also be noted that Bid has been shown to translocate to the mitochondria without cleavage in some model systems. The proteolytic cleavage of Bid usually occurs in the unstructured loop region between the alpha 2 and alpha 3 helices, which is between amino acids (aa) 41 and 79 of Bid. For example, the caspase-8/3 cleavage site is at 60 (human) and 59 (mouse). It should be noted that after cleavage, the smaller N-terminal portion of Bid is not necessarily separated from the larger C-terminal portion. The exact size of the C-terminal cleavage products depends on the Bid cleavage sites; generally 11-15 kDa C-truncated cleavage forms are generated. Shorter C-terminal Bid cleavage products may result from protease cleavage that involves both caspases and other proteases. Full length Bid is quite stable, but cleaved/truncated forms may have a short half-life (less than 1.5 h) and degrade rapidly. Therefore, a time course may be useful when detecting Bid cleavage fragments. |
| Storage & Handling | |
|---|---|
| Storage Buffer | Whole antisera. |
| Preservative | 0.05% Sodium Azide |
| Storage Temp. | Store at 4 °C for a short term. Aliquot and store at -20 °C for long-term storage. |
| Handling | Avoid freeze-thaw cycles. |
For research use only. Not intended for any clinical use. No products from CD BioSciences may be resold, modified for resale or used to manufacture commercial products without prior written approval from CD BioSciences.