ABN299 | Anti-triphospho-PER2 Antibody (Ser662/Ser665/Ser668)

200 µL  
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      Replacement Information

      Key Specifications Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H WB Rb Purified Polyclonal Antibody
      Catalogue NumberABN299
      DescriptionAnti-triphospho-PER2 Antibody (Ser662/Ser665/Ser668)
      Alternate Names
      • Period circadian protein homolog 2
      • hPER2
      • Circadian clock protein PERIOD 2
      Background InformationPeriod circadian protein homolog 2 (PER2), or Circadian clock protein PERIOD2, is a component of the circadian clock mechanism which is essential for generating circadian rhythms. It is a negative element in the circadian transcriptional loop by Influencing clock function by interacting with other circadian regulatory proteins and transporting them to the nucleus. PER2 negatively regulates CLOCK NPAS2-BMAL1 BMAL2-induced transactivation. This gene is a member of the Period family of genes and is expressed in a circadian pattern in the suprachiasmatic nucleus, the primary circadian pacemaker in the mammalian brain. Genes in this family encode components of the circadian rhythms of locomotor activity, metabolism, and behavior.
      Product Information
      • Untreated and lambda phosphatase treated HEK293 cell lysates transfected with Myc-tagged triphospho PER2 (Ser662/Ser665/Ser668).
      PresentationPurified rabbit polyclonal in buffer containing PBS with 0.05% sodium azide and 50% glycerol.
      ApplicationDetect PER 2 using this rabbit polyclonal antibody, Anti-triphospho-PER2 Antibody (Ser662/Ser665/Ser668) validated for use in western blotting.
      Key Applications
      • Western Blotting
      Application NotesWestern Blotting Analysis: A representative lot detected triphospho PER2 (Ser662/Ser665/Ser668) in Flag-tagged triphospho PER2 (Ser662/Ser665/Ser668) transfected HEK293T cell lysates (Hutchinson, J. A., et al. (2011). J Biol Chem. 286(10):8688-8696.).
      Biological Information
      ImmunogenLinear peptide corresponding to human triphospho PER2 (Ser662/Ser665/Ser668).
      SpecificityThis antibody demonstrates cross reactivity against phospho RPS6 (Ser247) (Hutchinson, J. A., et al. (2011). J Biol Chem. 286(10):8688-8696.). This antibody requires that all three amino acid sites (Ser662/Ser665/Ser668) be phosphorylated for the detection of phospho-PER2 (Ser662/Ser665/Ser6668) (Shanware, N. P., et al. (2011). J Biol Chem. 286(14):12766-12774.).
      Species Reactivity
      • Human
      Antibody TypePolyclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • PER2
      Purification MethodAffinity Purfied
      UniProt Number
      Molecular Weight~170 kDa observed. Phospho RPS6 may be observed at ~34 kDa in some cell lysates (Hutchinson, J. A., et al. (2011). J Biol Chem. 286(10):8688-8696.). Uncharacterized band(s) may be observed in some cell lysates.
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceEvaluated by Western Blotting in untreated and lambda phosphatase treated HEK293 cell lysates transfected with Myc-tagged triphospho PER2 (Ser662/Ser665/Ser668).

      Western Blotting Analysis: A 1:250 dilution from a representative lot detected Myc-tagged triphospho PER2 (Ser662/Ser665/Ser668) in 10 µg of untreated HEK293 cell lysates, and demonstrated a loss of signal in 10 µg of lambda phosphatase treated HEK293 cell lysates.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at -20°C from date of receipt.
      Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
      Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
      Packaging Information
      Material Size200 µL
      Transport Information
      Supplemental Information




      Safety Data Sheet (SDS) 

      Certificates of Analysis

      TitleLot Number
      Anti-triphospho-PER2 (Ser662/Ser665/Ser668) - Q2197818 Q2197818


      Reference overviewPub Med ID
      Regulation of ribosomal protein S6 phosphorylation by casein kinase 1 and protein phosphatase 1.
      Hutchinson, John A, et al.
      J. Biol. Chem., 286: 8688-96 (2011)  2011

      Show Abstract
      21233202 21233202

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      Life Science Research > Antibodies and Assays > Primary Antibodies