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Invitrogen™ LanthaScreen™ TR-FRET Progesterone Receptor Coactivator Assay Kit

Code produit 15657858
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Quantity:
800 x 20 μL assays
Conditionnement:
Pack of 800
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Code produit Quantity Conditionnement
15657858 800 x 20 μL assays Pack of 800
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Code produit 15657858 Fournisseur Invitrogen™ Code fournisseur A15903
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Estimated Shipment: 24-11-2026
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Description

LanthaScreen™ TR-FRET Progesterone Receptor Coactivator Assay Kit provides a sensitive and robust method for high-throughput screening of potential progesterone receptor (PR) ligands as agonists or antagonists of ligand-dependent coactivator recruitment.

  • The LanthaScreen™ TR-FRET Progesterone Receptor Coactivator Assay Kit provides a sensitive and robust method for high-throughput screening of potential progesterone receptor (PR) ligands as agonists or antagonists of ligand-dependent coactivator recruitment. The kit uses a PR ligand--binding domain (PR-LBD) tagged with glutathione-S-transferase (GST) (also available separately), a terbium (Tb)-labeled anti-GST antibody, and a fluorescein-labeled coactivator peptide in a homogenous mix-and-read assay format.
  • Agonist Mode - When using the LanthaScreen TR-FRET Progesterone Receptor Coactivator Assay in agonist mode (to identify agonist compounds), PR-LBD is added to ligand test compounds, followed by the addition of a mixture of fluorescein-labeled coactivator peptide and Tb-labeled anti-GST antibody. After an incubation period at room temperature, the TR-FRET ratio of 520/495 nm is calculated and can be used to determine the EC50 from a dose response curve of the compound. Based on the biology of the PR-coactivator peptide interaction, this ligand EC50 is a composite value representing the amount of ligand required to bind to receptor, effect a conformational change, and recruit coactivator peptide.
  • Antagonist Mode - When using the LanthaScreen™ TR-FRET Progesterone Receptor Coactivator Assay in antagonist mode (to identify antagonist compounds), PR-LBD is added to ligand test compounds followed by addition of a mixture of agonist, fluorescein-labeled coactivator peptide, and terbium-labeled anti-GST antibody. The concentration of agonist used in this mode is the EC80 concentration as determined by first running the assay in agonist mode.
TRUSTED_SUSTAINABILITY

Spécification

Content And Storage 1 tube PR Ligand Binding Domain Recombinant Protein (store at -68 to -85°C)
1 tube of Peptide (store at -5 to -30°C)
2 bottles TR-FRET Buffer (store at -5 to -30°C)
1 tube Tb-Anti-GST Ab (store at -5 to -30°C)
1 tube of DTT (store at -5 to -30°C)
For Use With (Application) Co-Factor Interaction Assay, Nuclear Receptor Assay
Product Line LanthaScreen
Quantity 800 x 20 μL assays
Type Coactivator Assay Kit

For Research Use Only. Not for use in diagnostic procedures.

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