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Target Engagement Reagents | PerkinElmer
PerkinElmer

Target Engagement Reagents

The pharmacological validation of the interaction of a ligand with its protein target is referred to as target engagement. Target engagement studies are crucial in drug discovery as they can provide confirmation that the compound(s) under study are indeed binding to the target protein at the intended site in order to be both effective and safe. Traditionally, target engagement has been assessed on purified proteins in buffer or deduced from downstream pathway effects such as post-translational modifications (PTMs) or enzyme substrate changes. Both of these approaches have severe limitations such as lack of a physiologically relevant environment in the case of purified proteins, or the inability to confidently attribute PTMs to one particular protein target due to the existence of multiple pathways controlling modification.

Even target engagement methodologies that do take place within a cellular environment such fluorescence resonance energy transfer (FRET) or bioluminescence resonance energy transfer (BRET) technologies have limited physiological relevance, since they require modifications to the protein and cloning.

Why CETSA®

Pelago Bioscience

The Cellular Thermal Shift Assay (CETSA®) is based on the change of the thermal denaturation profile of the native target protein in a cellular context that occurs following the binding of a ligand (i.e. a drug candidate). CETSA® is performed by incubating cells with the test compound, followed by heating of the compound-treated cells, and then by quantifying the remaining soluble target protein. The thermally stabilized protein-ligand complex can then detected by Alpha or HTRF® assay technology. Both technologies are no-wash, highly sensitive with a broad dynamic range, and provide fast time-to-results. CETSA® is a patented method and a licence from Pelago Bioscience is required to use the technology.

Why CETSA

CETSA® can be combined with antibody pair screening technologies such as Alpha or HTRF allowing the study of thousands of compounds in a High-Throughput fashion.

CETSA® combined with a proximity-based assay such as Alpha or HTRF:

  • Is a cell-based, physiologically relevant target engagement study tool
  • Uses endogenous protein levels in unmodified or even primary cells
  • Can be applied throughout the drug discovery workflow in a reliable, high-throughput format
Alpha CETSA HTRF

Alpha / HTRF CETSA® is a real game changer in that it combines an intracellular, physiologically relevant assay with high-throughput potential and amenability to automation.

CETSA® Validated vs CETSAble®

PerkinElmer and Pelago Biosciences currently offer fully validated Alpha CETSA® kits covering 13 different protein targets, including EGFR, BCL-2, NFκB, and p38 MAPK.

We also recommend an additional 40 AlphaLISA® SureFire® kits for protein targets that have been pre-validated by Pelago as CETSAble®. This pre-validation ensures that the protein target displays physical properties that make it amenable to thermal shift studies as well as the applicability of the Alpha assay in the context of CETSA®.

CETSA® is a patented method and the use of these kits with CETSA® is permitted under licence from Pelago Bioscience.

CETSAble approach

A CETSAble® assay has undergone validation as to the amenability of the protein target to heat-based denaturation studies as well as the usability of the approach in common cell lines. It will require further optimization in the end-user’s hands for their particular application and experimental conditions.

Alpha
Alpha

Alpha

For results in half the time of ELISA, without wash steps, and with excellent sensitivity in a variety of matrices, including serum and plasma.

The principle of detection of the soluble protein by the Alpha CETSA® assay is shown in the figure above. Only the soluble protein will lead to the generation of an Alpha signal (top), while the thermally denaturated insoluble protein does not generate the proximity needed for an Alpha signal (bottom).

建议内容

AlphaLISA Surefire
AlphaLISA Surefire

Alpha SureFire

For studying pathways or phosphorylated proteins in whole cells or studying endogenous receptors.

The principle of detection of the soluble protein by the Alpha SureFire CETSA® assay is shown in the figure above. Only the soluble protein will lead to the generation of an Alpha signal (top), while the thermally denaturated unsoluble protein is unable to create the proximity needed for the generation of an Alpha signal (bottom).

建议内容

How can we help?
How can we help?

How can we help?

When it comes to developing assays or troubleshooting issues, always know you’re never on your own.

Whatever the assay you have in mind, you need the right technologies for your target. We can custom conjugate your antibody or biomolecule to any bead, or biotinylate or DIG-label your targets, so you can develop the assay you need. If you prefer, we can even perform the assay development for you.

FAS: Our global team of Field Application Scientists are hands-on subject matter experts in assay development. They are available to assist in both assay development and troubleshooting.

Application Support Knowledgebase (ASK): Need help at 1am? We’ve got it covered. The Application Support Knowledgebase (ASK) contains detailed information on assay development, protocols, tips, FAQs, citations, troubleshooting and more. Accessible 24 hours a day, 7 days a week on our website www.perkinelmer.com/AlphaCETSA/ASK

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1-25 的 54 产品与服务

  • Photo of Alpha CETSA 500 point kit

    Alpha CETSA Human Cereblon Target Engagement Detection Kit

    Measure binding of small molecule drug candidates to target protein in a cellular environment with Alpha CETSA® target engagement assays. For use in combination with Pelago Bioscience's CETSA (Cellular Thermal Shift Assay) technology, this kit provides a convenient no-wash assay for detection and quantitation of small molecule binding to Cereblon, and can be used in hit identification, hit confirmation, and lead optimization studies for increased confidence and better prediction early in the drug discovery process. Please note that a valid CETSA subscription from Pelago Biosciences is required for use.

  • Total IRF3 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ Total IRF3 assay is a sandwich immunoassay for quantitative detection of total IRF3 in cellular lysates using Alpha Technology.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total CHK2 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ Total CHK2 assay is a sandwich immunoassay for quantitative detection of total CHK2 in cellular lysates using Alpha Technology.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Photo of Alpha CETSA 500 point kit

    STING Alpha SureFire CETSA Target Engagement Assay Kit

    Measure binding of small molecule drug candidates to target protein in a cellular environment with Alpha SureFire® CETSA® target engagement assays. For use in combination with Pelago Bioscience's CETSA® (Cellular Thermal Shift Assay) technology, this kit provides a convenient no-wash assay for detection and quantitation of small molecule binding to STING, and can be used in hit identification, hit confirmation, and lead optimization studies for increased confidence and better prediction early in the drug discovery process. Please note that a valid CETSA® subscription from Pelago Biosciences is required for use.

  • Total Ribosomal Protein S6 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total ribosomal protein S6 (RPS6) assay is a sandwich immunoassay for quantitative detection of Ribosomal S6 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total RIPK1 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total RIPK1 assay is a sandwich immunoassay for quantitative detection of RIPK1 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total Ret aLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total Ret assay is a sandwich immunoassay for quantitative detection of Total (phosphorylated and non-phosphorylated) Ret in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total PLC G2 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total PLC G2 assay is a sandwich immunoassay for quantitative detection of PLC G2 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total PLC G1 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total PLC G1 assay is a sandwich immunoassay for quantitative detection of Total (phosphorylated and non-phosphorylated) PLC G1in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total P13 Kinase p85 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total PI3 Kinase p85 assay is a sandwich immunoassay for quantitative detection of PI3 Kinase p85 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total MLKL AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total MLKL assay is a sandwich immunoassay for quantitative detection of MLKL (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total IKKα AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra total IKKα assay is a sandwich immunoassay for quantitative detection of IKKα (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Photo of Alpha CETSA 500 point kit

    CDK4 Alpha SureFire CETSA Target Engagement Assay Kit

    Measure binding of small molecule drug candidates to target protein in a cellular environment with Alpha SureFire® CETSA® target engagement assays. For use in combination with Pelago Bioscience's CETSA® (Cellular Thermal Shift Assay) technology, this kit provides a convenient no-wash assay for detection and quantitation of small molecule binding to CDK4, and can be used in hit identification, hit confirmation, and lead optimization studies for increased confidence and better prediction early in the drug discovery process. Please note that a valid CETSA® subscription from Pelago Biosciences is required for use.

  • Photo of Alpha CETSA 500 point kit

    CDK2 Alpha SureFire CETSA Target Engagement Assay Kit

    Measure binding of small molecule drug candidates to target protein in a cellular environment with Alpha SureFire® CETSA® target engagement assays. For use in combination with Pelago Bioscience's CETSA® (Cellular Thermal Shift Assay) technology, this kit provides a convenient no-wash assay for detection and quantitation of small molecule binding to CDK2, and can be used in hit identification, hit confirmation, and lead optimization studies for increased confidence and better prediction early in the drug discovery process. Please note that a valid CETSA® subscription from Pelago Biosciences is required for use.

  • Total KAP1 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total KAP1 assay is a sandwich immunoassay for quantitative detection of KAP1 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total FGF Receptor 2 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total FGF Receptor 2 assay is a sandwich immunoassay for quantitative detection of FGF Receptor 2 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total FGF Receptor 1 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total FGF Receptor 1 assay is a sandwich immunoassay for quantitative detection of FGF Receptor 1 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total STAT1 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total STAT1 assay is a sandwich immunoassay for quantitative detection of STAT1 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total JNK1/2 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total JNK1/2 assay is a sandwich immunoassay for quantitative detection of JNK1/2 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total eiF4E AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total eiF4E assay is a sandwich immunoassay for quantitative detection of eiF4E (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Total c-Myc AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total c-myc assay is a sandwich immunoassay for quantitative detection of c-myc (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • AlphaLISA phospho-SYK detection kit

    Total TBK1 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total TBK1 assay is a sandwich immunoassay for quantitative detection of TBK1 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • AlphaLISA phospho-SYK detection kit

    Total Acetyl CoA Carboxylase AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total Acetyl CoA carboxylase assay is a sandwich immunoassay for quantitative detection of Acetyl CoA carboxylase (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

  • Photo of Alpha CETSA 5,000 point kit

    Raf-1 Alpha SureFire CETSA Target Engagement Assay Kit

    Measure binding of small molecule drug candidates to target protein in a cellular environment with Alpha SureFire® CETSA® target engagement assays. For use in combination with Pelago Bioscience's CETSA® (Cellular Thermal Shift Assay) technology, this kit provides a convenient no-wash assay for detection and quantitation of small molecule binding to Raf-1, and can be used in hit identification, hit confirmation, and lead optimization studies for increased confidence and better prediction early in the drug discovery process. Please note that a valid CETSA® subscription from Pelago Biosciences is required for use.
  • AlphaLISA phospho-SYK detection kit

    Total STAT6 AlphaLISA SureFire Ultra Detection Kit

    The AlphaLISA® SureFire® Ultra™ total STAT6 assay is a sandwich immunoassay for quantitative detection of STAT6 (phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be a normalization phosphorylation studies.

    This kit has been pre-validated for use in combination with Pelago Bioscience’s CETSA® (Cellular Thermal Shift Assay) technology. Please note that further assay optimization will be required in order to adapt the kit to your particular cell line and experimental conditions. A valid CETSA® licence from Pelago Bioscience or a single kit agreement is required for using the CETSA® technology.

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