Rabbit smpB Polyclonal Antibody | anti-smpB antibody
Rabbit anti-Escherichia coli (strain K12) smpB Polyclonal Antibody
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH7.4
2. 1mL preimmune serum (negative control)
3. 10mg rabbit polyclonal antibody purified by Protein A/G.
2. Antibody titer > 1: 64,000 confirmed by ELISA
3. Western Blot positive for the immunogen protein (Not applicable for synthetic peptide).
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NCBI and Uniprot Product Information
NCBI Description
otherPDB (A. aeolicus): [More information is available at EcoGene: EG11782]. Small protein B (SmpB) is a component of the trans-translation process which marks proteins that have stalled during translation for degradation. [More information is available at EcoCyc: EG11782].
Uniprot Description
Required for rescue of stalled ribosomes mediated by trans-translation. Binds to tmRNA RNA (also known as SsrA or 10Sa RNA, 363 nucleotides in this organism), required for stable binding of tmRNA to ribosomes (PubMed:10393194, PubMed:11904185, PubMed:11917023). tmRNA and SmpB together mimic tRNA shape, replacing the anticodon stem-loop with SmpB (Probable). tmRNA is encoded by the ssrA gene; the 2 termini fold to resemble tRNA(Ala) and it encodes a 'tag peptide', a short internal open reading frame. Able to recruit charged tmRNA to ribosomes (PubMed:15069072). Does not play a role in transcription, processing or Ala-aminoacylation of tmRNA (PubMed:10393194). Other studies have shown it stimulates aminoacylation of tmRNA (PubMed:11917023, PubMed:11904185). May protect tmRNA from degradation (PubMed:11917023). Binds to tmRNA that cannot be aminoacylated (tmRNA G3A), does not bind to tmRNA mutations near the tRNA-like termini (tmRNA G19C, A334U); other tmRNA mutations that block trans-translation still bind SmpB (PubMed:11917023). With tmRNA may play a role in bacterial persistence (PubMed:23812681). During trans-translation Ala-aminoacylated transfer-messenger RNA acts like a tRNA, entering the A-site of stalled ribosomes, displacing the stalled mRNA. The ribosome then switches to translate the ORF on the tmRNA, the nascent peptide is terminated with the 'tag peptide' encoded by the tmRNA and targeted for degradation. The ribosome is freed to recommence translation, which seems to be the essential function of trans-translation.
Research Articles on smpB
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Product Notes
The smpB smpb (Catalog #AAA7165197) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Rabbit anti-Escherichia coli (strain K12) smpB Polyclonal Antibody reacts with E Coli (strain K12) and may cross-react with other species as described in the data sheet. AAA Biotech's smpB can be used in a range of immunoassay formats including, but not limited to, ELISA (EIA), WB (Western Blot) (ensure identification of antigen). Researchers should empirically determine the suitability of the smpB smpb for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "smpB, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.Disclaimer
Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.Item has been added to Shopping Cart
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