| Products | UBC Fractions Extract from GeneTex |
| Company | GeneTex |
| Item | UBC Fractions Extract |
| Price | $440.00 |
| Description | Proteolytic degradation is critical to the maintenance of appropriate levels of short-lived and regulatory proteins as important and diverse as those involved in cellular metabolism, heat shock and stress response, antigen presentation, modulation of cell surface receptors and ion channels, cell cycle regulation, transcription, and signalling factors. The ubiquitin-proteasome pathway deconstructs most proteins in the eukaryotic cell cytosol and nucleus. Others are degraded via the vacuolar pathway which includes endosomes, lysosomes, and the endoplasmic reticulum.The 26S proteasome is an ATP-dependent, multisubunit (~31), barrel-shaped molecular machine with an apparent molecular weight of ~2.5 MDa. It consists of a 20S proteolytic core complex which is crowned at one or both ends by 19S regulatory subunit complexes. The 19S regulatory subunits recognize ubiquitinated proteins and play an essential role in unfolding and translocating targets into the lumen of the 20S subunit. An enzymatic cascade is responsible for the attachment of multiple ubiquitin molecules to lysine residues of proteins targeted for degradation. Several genetic diseases are associated with defects in the ubiquitin-proteasome pathway. Some examples of affected proteins include those linked to cystic fibrosis, Angelmans syndrome, and Liddle syndrome. The enzyme fractions supplied represent the full compliment of purified conjugation enzymes (E1, E2s, and E3s) that are found in mammalian Fraction II. The enzymes have been tested and shown to work with typical [125I]-labeled substrate proteins such as lysozyme and beta-lactoglobulin. These conjugation fractions contain ubiquitin c-terminal hydrolases. The addition of ubiquitin aldehyde is recommended for the inhibition of UCHs and to improve overall conjugate yield. The supplied fractions do not contain 20S or 26S protein degradation activity. If the substrate being conjugated requires E2 or E3 enzymes not found in Fraction II, the reaction can be supplemented with enzymes from Fraction I. Includes complimentary fractions for 2-5 conjugation reactions depending on conditions.
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| Info | GeneTex14785 Omicron Dr. Suite101 San Antonio, TX 78245 Customer Service: (877) 436-3839 Fax Number: (210) 677-8843 Web Site: http://www.genetex.com |