UbcH7 active protein
UbcH7 (human), (recombinant) (His-tag)
Enzyme is stable to multiple freeze/thaw cycles
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Three classes of enzymes are involved in the conjugation of ubiquitin to proteins. E1, the ubiquitin activating enzyme, activates ubiquitin through the ATP-dependent formation of a high-energy thiol ester bond between the carboxyl terminus of ubiquitin and the active-site cysteine within E1. This E1-activated ubiquitin is transferred to a cysteine residue of an E2, or ubiquitin-conjugating enzyme (UbC). E2 enzymes, either by themselves or in conjunction with E3 enzymes (ubiquitin ligases), then transfer ubiquitin to target proteins forming stable isopeptide bonds resulting in multi-ubiquitin chain formation. It is the diverse combinations of E2-E3 complexes which are thought to define substrate specificity.
UbcH7 is a class I enzyme which functions in the stress response and the control of transcription factors1. The enzyme is ubiquitously expressed with high levels of expression seen in adult muscle2. It has been demonstrated to participate in the ubiquitinylation of p53, c-Fos and NF-kappaB. UbcH7 is one of two E2s (UbcH5 being the other) with which HECT domain proteins interact with UbcH7 being able to efficiently substitute for UbcH5 in E6-AP-dependent ubiquitinylation.
NCBI and Uniprot Product Information
NCBI Description
The modification of proteins with ubiquitin is an important cellular mechanism for targeting abnormal or short-lived proteins for degradation. Ubiquitination involves at least three classes of enzymes: ubiquitin-activating enzymes (E1s), ubiquitin-conjugating enzymes (E2s) and ubiquitin-protein ligases (E3s). This gene encodes a member of the E2 ubiquitin-conjugating enzyme family. This enzyme is demonstrated to participate in the ubiquitination of p53, c-Fos, and the NF-kB precursor p105 in vitro. Several alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2009]
Uniprot Description
UBE2L3: Ubiquitin-conjugating enzyme E2 that specifically acts with HECT-type and RBR family E3 ubiquitin-protein ligases. Does not function with most RING-containing E3 ubiquitin-protein ligases because it lacks intrinsic E3-independent reactivity with lysine: in contrast, it has activity with the RBR family E3 enzymes, such as PARK2 and ARIH1, that function like function like RING-HECT hybrids. Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. In vitro catalyzes 'Lys-11'-linked polyubiquitination. Involved in the selective degradation of short-lived and abnormal proteins. Down- regulated during the S-phase it is involved in progression through the cell cycle. Regulates nuclear hormone receptors transcriptional activity. May play a role in myelopoiesis. Interacts with PARK2; involved in ubiquitination and degradation of misfolded proteins. Interacts with UBE3A; used by the papilloma virus HPV-16 E6 protein to ubiquitinate p53/TP53. Interacts with CCNB1IP1, CBL, ZAP70, RNF19A, RNF19B and RNF144B. Interacts with ARIH1. Interacts with ARIH2 (via RING-type 1). Interacts with NCOA1; they functionally interact to regulate progesterone receptor transcriptional activity. May interact with NR3C1. Ubiquitous, with highest expression in testis. Belongs to the ubiquitin-conjugating enzyme family.
Protein type: Nuclear receptor co-regulator; Ubiquitin conjugating system; EC 6.3.2.19; Ubiquitin ligase; Ligase
Chromosomal Location of Human Ortholog: 22q11.21
Cellular Component: cytoplasm; nucleus; ubiquitin ligase complex
Molecular Function: protein binding; enzyme binding; ubiquitin protein ligase binding; transcription coactivator activity; ubiquitin-protein ligase activity; ATP binding; ligase activity
Biological Process: ubiquitin-dependent protein catabolic process; cell proliferation; protein polyubiquitination; regulation of transcription, DNA-dependent; transcription, DNA-dependent; positive regulation of protein ubiquitination; positive regulation of ubiquitin-protein ligase activity; protein modification process; protein ubiquitination
Research Articles on UbcH7
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Product Notes
The UbcH7 ube2l3 (Catalog #AAA566727) is an Active Protein produced from E Coli and is intended for research purposes only. The product is available for immediate purchase. It is sometimes possible for the material contained within the vial of "UbcH7, Active Protein" 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
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