Human SMG1 homolog, phosphatidylinositol 3-kinase-related kinase (C. elegans) ELISA Kit | SMG1 elisa kit
Human Serine/threonine-protein kinase SMG1, SMG1 ELISA Kit
NCBI and Uniprot Product Information
NCBI Description
This gene encodes a protein involved in nonsense-mediated mRNA decay (NMD) as part of the mRNA surveillance complex. The protein has kinase activity and is thought to function in NMD by phosphorylating the regulator of nonsense transcripts 1 protein. Alternatively spliced transcript variants have been described, but their full-length nature has yet to be determined. [provided by RefSeq, Mar 2013]
Uniprot Description
SMG1: Serine/threonine protein kinase involved in both mRNA surveillance and genotoxic stress response pathways. Recognizes the substrate consensus sequence [ST]-Q. Plays a central role in nonsense-mediated decay (NMD) of mRNAs containing premature stop codons by phosphorylating UPF1/RENT1. Recruited by release factors to stalled ribosomes together with SMG8 and SMG9 (forming the SMG1C protein kinase complex), and UPF1 to form the transient SURF (SMG1-UPF1-eRF1-eRF3) complex. In EJC-dependent NMD, the SURF complex associates with the exon junction complex (EJC) through UPF2 and allows the formation of an UPF1-UPF2-UPF3 surveillance complex which is believed to activate NMD. Also acts as a genotoxic stress-activated protein kinase that displays some functional overlap with ATM. Can phosphorylate p53/TP53 and is required for optimal p53/TP53 activation after cellular exposure to genotoxic stress. Its depletion leads to spontaneous DNA damage and increased sensitivity to ionizing radiation (IR). May activate PRKCI but not PRKCZ. Component of the SMG1C complex composed of SMG1, SMG8 and SMG9; the recruitment of SMG8 to SMG1 N-terminus induces a large conformational change in the SMG1 C-terminal head domain containing the catalytic domain. Component of the transient SURF (SMG1-UPF1-eRF1-eRF3) complex. Interacts with PRKCI. Interacts with TELO2 and TTI1. Interacts with RUVBL1 and RUVBL2. Interacts with UPF2. Widely expressed, with highest level in heart and skeletal muscle. Expressed in placenta, brain, lung and spleen, but not in liver. Inhibited by caffeine, LY294002 and wortmannin. Belongs to the PI3/PI4-kinase family. 4 isoforms of the human protein are produced by alternative splicing.
Protein type: Kinase, protein; EC 2.7.11.1; Protein kinase, atypical; Protein kinase, Ser/Thr (non-receptor); ATYPICAL group; PIKK family; SMG1 subfamily
Chromosomal Location of Human Ortholog: 16p12.3
Cellular Component: cytoplasm; nucleus; cytosol
Molecular Function: protein dimerization activity; protein serine/threonine kinase activity; protein binding; metal ion binding; ATP binding; protein kinase activity
Biological Process: mRNA export from nucleus; peptidyl-serine phosphorylation; phosphoinositide phosphorylation; protein amino acid autophosphorylation; mRNA catabolic process, nonsense-mediated decay; response to stress; gene expression; double-strand break repair via homologous recombination
Research Articles on SMG1
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Product Notes
The Human SMG1 smg1 (Catalog #AAA9322786) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA9322786 ELISA Kit recognizes Human SMG1. It is sometimes possible for the material contained within the vial of "SMG1 homolog, phosphatidylinositol 3-kinase-related kinase (C. elegans), 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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