Rat seven in absentia homolog 1 (Drosophila) ELISA Kit | SIAH1 elisa kit
Rat E3 ubiquitin-protein ligase SIAH1, SIAH1 ELISA Kit
NCBI and Uniprot Product Information
NCBI Description
synaptophysin binding protein and function as E3 ubiquitin-protein ligases to regulate the ubiquitination and degradation of synaptophysin [RGD, Feb 2006]
Uniprot Description
SIAH1: E3 ubiquitin-protein ligase that mediates ubiquitination and subsequent proteasomal degradation of target proteins. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin- conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Mediates E3 ubiquitin ligase activity either through direct binding to substrates or by functioning as the essential RING domain subunit of larger E3 complexes. Triggers the ubiquitin-mediated degradation of many substrates, including proteins involved in transcription regulation (MYB, POU2AF1, PML and RBBP8), a cell surface receptor (DCC), the cell-surface receptor-type tyrosine kinase FLT3, the cytoplasmic signal transduction molecules (KLF10/TIEG1 and NUMB), an antiapoptotic protein (BAG1), a microtubule motor protein (KIF22), a protein involved in synaptic vesicle function in neurons (SYP), a structural protein (CTNNB1) and SNCAIP. Confers constitutive instability to HIPK2 through proteasomal degradation. It is thereby involved in many cellular processes such as apoptosis, tumor suppression, cell cycle, axon guidance, transcription regulation, spermatogenesis and TNF-alpha signaling. Has some overlapping function with SIAH2. Induces apoptosis in cooperation with PEG3. Upon nitric oxid (NO) generation that follows apoptotic stimulation, interacts with S- nitrosylated GAPDH, mediating the translocation of GAPDH to the nucleus. GAPDH acts as a stabilizer of SIAH1, facilitating the degradation of nuclear proteins. Homodimer. Interacts with group 1 glutamate receptors GRM1 and GRM5. Interacts with DAB1, which may inhibit its activity. Interacts with UBE2E2. Interacts with PEG3. Interacts with GAPDH; leading to stabilize SIAH1. Component of some large E3 complex composed of UBE2D1, SIAH1, CACYBP/SIP, SKP1, APC and TBL1X. Interacts with UBE2I. Interacts with alpha- tubulin. Interacts with PEG10, which may inhibit its activity. Interacts with KHDRBS3. Interacts with SNCAIP and HIPK2. May be induced by p53/TP53, suggesting that it may be required to modulate p53/TP53 response. The relevance of such activity in vivo is however unclear and may not exist. Widely expressed at a low level. Down- regulated in advanced hepatocellular carcinomas. Inhibited by interaction with SNCAIP (isoform 2, but not isoform 1). May be inhibited by interaction with PEG10. Belongs to the SINA (Seven in absentia) family. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Cell development/differentiation; Ubiquitin conjugating system; Motility/polarity/chemotaxis; EC 6.3.2.19; Apoptosis; Ligase; Ubiquitin ligase; EC 6.3.2.-
Cellular Component: early endosome; cytoplasm; plasma membrane; nucleus; beta-catenin destruction complex; cytosol
Molecular Function: protein C-terminus binding; protein binding; protein homodimerization activity; zinc ion binding; coenzyme F420-2 alpha-glutamyl ligase activity; metal ion binding; UDP-N-acetylmuramoylalanyl-D-glutamyl-2,6-diaminopimelate-D-alanyl-D-alanine ligase activity; ribosomal S6-glutamic acid ligase activity; ubiquitin-protein ligase activity; coenzyme F420-0 gamma-glutamyl ligase activity; ligase activity
Biological Process: ubiquitin-dependent protein catabolic process; proteasomal ubiquitin-dependent protein catabolic process; protein destabilization; apoptosis; positive regulation of apoptosis; multicellular organismal development; protein ubiquitination during ubiquitin-dependent protein catabolic process; regulation of multicellular organism growth; protein ubiquitination; cell cycle; post-embryonic development; neuron apoptosis; male meiosis I; spermatogenesis; protein catabolic process; cell differentiation
Research Articles on SIAH1
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Product Notes
The Rat SIAH1 siah1 (Catalog #AAA9324626) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA9324626 ELISA Kit recognizes Rat SIAH1. It is sometimes possible for the material contained within the vial of "seven in absentia homolog 1 (Drosophila), ELISA Kit" 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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