Description
Product Usage Information
Western Blotting: 1:1000
Immunoprecipitation: 1:50
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at -20°C. Do not aliquot the antibody.
Protocol
Available protocols: Western Blotting, Immunoprecipitation
Specificity / Sensitivity
UPF1 Antibody detects endogenous levels of total UPF1 protein.
Species Reactivity: Human, Mouse, Rat, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human UPF1. Antibodies are purified by protein A and peptide affinity chromatography.
Background
UPF1 was identified as an active component in nonsense-mediated mRNA decay (NMD), an mRNA surveillance mechanism in eukaryotic cells that degrades mRNAs containing premature termination codons (1). UPF1 was found to be an ATP-dependent RNA helicase in the cytoplasm (2) and was later shown to be a component of cytoplasmic P-bodies (3). UPF1 phosphorylation mediates the repression of translation that accompanies NMD, allowing mRNA accessibility to the NMD machinery (4). Two other active components of NMD, UPF2 and UPF3, were also identified and described as having perinuclear and nucleocytoplasmic localization, respectively (5).
Alternate Names
ATP-dependent helicase RENT1; delta helicase; FLJ43809; FLJ46894; hUpf1; KIAA0221; Nonsense mRNA reducing factor 1; NORF1; pNORF1; Regulator of nonsense transcripts 1; RENT1; smg-2; smg-2 homolog, nonsense mediated mRNA decay factor; UP Frameshift 1; up-frameshift mutation 1 homolog; Up-frameshift suppressor 1 homolog; UPF1; UPF1 regulator of nonsense transcripts homolog; UPF1 regulator of nonsense transcripts homolog (yeast); UPF1 RNA helicase and ATPase; yeast Upf1p homolog
