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Protein Kinase Research Reagents

The human kinome consists of 518 protein kinases and 20 lipid kinases, which play crucial roles in a multitude of cellular processes. These processes include cell cycle regulation, metabolism, transcription, cytoskeletal development, cellular motility, apoptosis, cell proliferation, differentiation, and intracellular communication. For more detailed information, you can refer to the publication here.

We offer an extensive portfolio of protein phosphorylation assays, featuring over 300 no-wash assays available in both cell-based and biochemical formats.
 

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Our cellular immunoassays are meticulously designed to provide the high sensitivity required to detect endogenous and basal levels of phosphorylated proteins in cell lysates. This ensures accurate measurement of protein phosphorylation within cells, which is crucial for understanding various cellular processes.

The biochemical assay formats are tailored to facilitate the investigation of kinase activity. These assays enable researchers to screen and identify potent inhibitors for a wide range of kinases, making them invaluable tools for biochemical studies and drug discovery.

In addition, the HTRF kinase binding platform offers a complementary method using three fluorescent inhibitors that cover approximately 80% of the kinome. Instead of detecting compounds that inhibit phosphorylation, this platform detects binding interactions. This approach allows for the detection of inhibitors that bind to kinases with low activity or those that are non-activated.

For research use only. Not for use in diagnostic procedures.

Protein Kinase Research Reagents

Explore our Protein Kinase solutions

Biochemical kinases

A universal solution: KinEASE assays

Our experts developed specific HTRF KinEASE kits to investigate kinase activity, characterize kinases, and screen for inhibitors. The five kits in the product range offer a semi-universal method for addressing phosphorylation on Serine/Threonine and Tyrosine residues, respectively. Over 272 kinases have already been validated with this method.

The principle for these assays is divided into two main steps:

Enzymatic step: During the enzymatic step, the tagged substrate is incubated with the kinase of interest and ATP, allowing the phosphorylation reaction to begin.

Detection step: Detection reagents are added and recognize the phosphorylated substrate. The resulting Time-Resolved Fluorescence Resonance Energy Transfer (TR-FRET) signal is proportional to the phosphorylation level.

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A substrate-specific solution: LANCE Ultra kinase assay

LANCE technology (LANthanide Chelate Excitation) Ultra is a solution in which your fluorescently labeled substrate can be chosen specifically. Over 300 kinases were tested and validated with this approach.

The assay protocol is divided in two steps:

  1. Enzymatic step: The ULight-peptide substrate is phosphorylated in the presence of kinase and ATP.
  2. Detection step: The substrate is captured by an Eu-anti-phospho-substrate antibody. Upon excitation, the Eu-chelate transfers its energy to the ULight dye, resulting in fluorescent light emission at 665 nm.
     
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Kinase binding platform

Why choose the HTRF kinase binding assay?

One of the most well-known kinase inhibitors, Gleevec (Imatinib), binds to a non-activated form of Abl kinase. Inhibitors like Gleevec are challenging to detect using activity-based assays. Therefore, setting up kinase binding assays for your kinase of interest is advantageous to ensure you don’t miss out on detecting such compounds.

HTRF kinase binding assays are simple to set up, utilizing a convenient mix-and-measure detection format. These assays do not require the presence of ATP. Instead, they measure the direct displacement of the fluorescent inhibitor from the ATP binding pocket. This allows you to determine the affinity of your inhibitor by performing dose-response curves.

How it works: assay principle

The HTRF Kinase binding assay is based on a biochemical sandwich format. When a tagged kinase is present, an HTRF signal is generated when the tracer is bound to the kinase. Upon adding competitive inhibitors, the fluorescent Staurosporine (or Dasatinib or Sunitinib) is displaced and the HTRF signal disappears.
 

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Kinase inhibitor selection for kinase binding assays

The Revvity discovery kit includes three fluorescent ATP-competitive kinase inhibitors: Staurosporine-red, Dasatinib-red, and Sunitinib-red. We estimate that these three fluorescent inhibitors cover at least 80% of the human kinome.

Our scientists have written three application notes, one per tracer, to guide you in your studies. Each application note provides validation data, guidance for Kd and Ki determination, and case studies.

  • HTRF Kinase Binding Assays: Sunitinib-Red Validation
  • HTRF Kinase Binding Assays: Dasatinib-Red Validation
  • HTRF Kinase Binding Assays: Staurosporine-Red Validation
Kinetic binding parameters: determining Kon and Koff

Dissociation kinetics, and thus inhibitor residence time, have become key parameters for predicting in-vivo drug efficacy outcome. HTRF kinase binding platform assays are ideal for studying the binding kinetics of inhibitors.

Get complete information in this application note entitled, “Kinetic binding of kinase inhibitors and determination of Kon, Koff rates”.

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1 - 25 of 1227 Products and Services
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Nucleolin Phospho-Thr84 Product image

This HTRF kit allows for the cell-based quantitative detection of Nucleolin when phosphorylated at Thr84.

Part Number: 64NCLT84PEG, 64NCLT84PEH
New
AlphaLISA SureFire Ultra Phospho-Protein image

The AlphaLISA™ SureFire® Biotin-Free Human and Mouse Phospho-STAT3 (Tyr705) assay is a sandwich immunoassay for quantitative detection of phospho-STAT3 (Tyr705) in cellular lysates using Alpha Technology.

New
AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Biotin-Free Human and Mouse Total STAT1 assay is a sandwich immunoassay for quantitative detection of total STAT1 in cellular lysates using Alpha Technology.

New
Total B-RAF Product image

This HTRF kit allows for the cell-based quantitative detection of total B-RAF.

Part Number: 64BRAFTPEG, 64BRAFTPEH
New
AlphaLISA SureFire Ultra Phospho-Protein image

The AlphaLISA™ SureFire® Biotin-Free Human and Mouse Phospho-SYK (Tyr525/526) assay is a sandwich immunoassay for quantitative detection of phospho-SYK (Tyr525/526) in cellular lysates using Alpha Technology.

New
AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Biotin-Free Human Total SYK assay is a sandwich immunoassay for quantitative detection of total SYK in cellular lysates using Alpha Technology.

New
AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Biotin-Free Human and Mouse Total ERK1/2 assay is a sandwich immunoassay for quantitative detection of total ERK1/2 in cellular lysates using Alpha Technology.

New
AlphaLISA SureFire Ultra Phospho-Protein image

The AlphaLISA™ SureFire® Ultra™ Human Phospho-SIRPα (pan-Tyr) assay is a sandwich immunoassay for quantitative detection of phospho-SIRPα (pan-Tyr) in cellular lysates using Alpha Technology.

New
AlphaLISA SureFire Ultra Phospho-Protein image

The AlphaLISA™ SureFire® Biotin-Free Human and Mouse Phospho-Rb (Thr821) assay is a sandwich immunoassay for quantitative detection of phospho-Rb (Thr821) in cellular lysates using Alpha Technology.

New
AlphaLISA SureFire Ultra Phospho-Protein image

The AlphaLISA™ SureFire® Ultra™ Human and Mouse Phospho-JAK2 (Tyr1008) assay is a sandwich immunoassay for quantitative detection of phospho-JAK2 (Tyr1008) in cellular lysates using Alpha Technology.

New
AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Ultra™ Human Total AXIN-2 assay is a sandwich immunoassay for quantitative detection of total AXIN-2 in cellular lysates using Alpha Technology.

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AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Ultra™ Human Total PAX5 assay is a sandwich immunoassay for quantitative detection of total PAX5 in cellular lysates using Alpha Technology.

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AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Biotin-Free Human Total Rb assay is a sandwich immunoassay for quantitative detection of total Rb in cellular lysates using Alpha Technology.

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AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Ultra™ Human and Mouse Total AXIN-1 assay is a sandwich immunoassay for quantitative detection of total AXIN-1 in cellular lysates using Alpha Technology.

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AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Biotin-Free Human and Mouse Total STAT5 assay is a sandwich immunoassay for quantitative detection of total STAT5 in cellular lysates using Alpha Technology.

New
AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Ultra™ Human and Mouse Total PAX8 assay is a sandwich immunoassay for quantitative detection of total PAX8 in cellular lysates using Alpha Technology.

New
Total Nucleolin Product image

This HTRF kit allows for the cell-based quantitative detection of total Nucleolin.

Part Number: 64NCLTPEG, 64NCLTPEH
New
LRRK2 Phospho-Ser1292 Product-image

This HTRF kit allows for the cell-based quantitative detection of LRRK2 when phosphorylated at Ser1292.

Part Number: 64LRRKS1PEG, 64LRRKS1PEH
New
Total LRRK2 Product image

This HTRF kit allows for the cell-based quantitative detection of Total LRRK2.

Part Number: 64LRRKTPEG, 64LRRKTPEH
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NPM1 Phospho-Thr199 Product image

This HTRF kit allows for the cell-based quantitative detection of NPM1 when phosphorylated at Thr199.

Part Number: 64NPMT1PEG, 64NPMT1PEH
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IRAK4 Phospho-Thr345 Product image

This HTRF kit allows for the cell-based quantitative detection of IRAK4 when phosphorylated at Thr345.

Part Number: 64IRK4T45PEG, 64IRK4T45PEH
New
YES Phospho-Tyr426 Product image

This HTRF kit allows for the cell-based quantitative detection of YES when phosphorylated at Tyr426.

Part Number: 64YESY4PEG, 64YESY4PEH
New
Total A-RAF Product image

This HTRF kit allows for the cell-based quantitative detection of total A-RAF.

Part Number: 64ARAFTPEG, 64ARAFTPEH
New
AlphaLISA Surefire Ultra Total Protein

The AlphaLISA™ SureFire® Ultra™ Human IRF5 Aggregate assay is a sandwich immunoassay for quantitative detection of IRF5 aggregate in cellular lysates using Alpha Technology.

New
AlphaLISA SureFire Ultra Phospho-Protein image

The AlphaLISA™ SureFire® Ultra™ Human and Mouse Phospho-Ezrin (Thr567)/Radixin (Thr564)/Moesin (Thr558) assay is a sandwich immunoassay for quantitative detection of phospho-Ezrin (Thr567)/Radixin (Thr564)/Moesin (Thr558) in cellular lysates using Alpha Technology.

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Application Note
Application Note
A guideline for HTRF cell-based phospho-protein data normalization

Get the best out of your phosphorylation assays Combining phospho and total protein assays enables better analysis. This Application Note provides valuable guidelines for efficiently analyzing and interpreting results from such assay combinations. Check out all the tips and examples in features! Features Introduction to phospho and total protein assay relevance Tips for handling and interpreting data Examples from actual experiments

Infographic
Infographic
Addressing the interactome with protein-protein interaction assays

Protein-protein interactions: cover them all with one approach This brochure illustrates the possibilities and versatility of protein-protein interaction studies. It features six relevant examples of various interaction types taken from literature to show you how studies can be handled with the time-resolved fret-based HTRF approach, including virus blockade, receptor/ligand binding, protease activity, and more. Features: Introduction to the stakes of protein-protein interaction research Illustration of 6 published interaction studies involving biologics or small molecules For research use only. Not for use in diagnostic procedures.

Application Note
Application Note
Advancing K-Ras Targeted Therapies with Innovative Detection Methods

The RAS family of genes, particularly K-Ras, plays a critical role in cancer biology. Despite its notorious difficulty as a therapeutic target, recent breakthroughs have brought new hope in treating cancers driven by K-Ras mutations. Our latest application note delves into innovative approaches to K-Ras inhibition, including small molecule inhibitors, synthetic lethality strategies, and PROTAC® molecules. We also showcase the high specificity and sensitivity of the no-wash HTRF™ K- Ras immunoassay, a cutting-edge tool that offers a reliable and precise method for evaluating K-Ras protein levels, outperforming traditional techniques. Discover how this assay can accelerate your research in targeting the elusive K-Ras.

Brochure
Brochure
Alpha SureFire Ultra no-wash immunoassay catalog

Discover Alpha SureFire ®   Ultra ™ assays, the no-wash cellular kinase assays leveraging Revvity's exclusive bead-based technology and sandwich immunoassays for detecting phosphorylated proteins in cells. Offering a quantitative alternative to Western Blotting, Alpha SureFire assays are automation-friendly, easily miniaturized, and proficient in detecting both endogenous and recombinant proteins. Explore our comprehensive portfolio of SureFire Assays, designed to help you elevate and expedite your drug discovery journey.

Technical Note
Technical Note
AlphaLISA Acetyl‑Histone H3 lysine 27 (H3K27ac) cellular detection kit

Quantifying H3K27ac Levels with AlphaLISA Assay In this technical note, you will discover how AlphaLISA immunodetection assay easily detects alterations in acetylated histone H3 lysine 27 (H3K27ac) levels within cellular extracts.

Technical Note
Technical Note
AlphaLISA Acetyl‑Histone H3 lysine 9 (H3K9ac) cellular assay

Quantifying H3K9ac in Cellular Extracts with AlphaLISA This technical note gives you details about how AlphaLISA immunodetection assay monitors changes in the levels of acetylated histone H3 lysine 9 (H3K9ac) in cellular extracts.

Technical Note
Technical Note
AlphaLISA assays for immune checkpoint detection and quantitation

Quantifying Immune Checkpoints: AlphaLISA Biomarker Detection Kits This technical note focuses on the role of checkpoint molecules in cancer immunotherapies. Checkpoint molecules are molecular markers that can regulate an immune system attack on cancer cells. They have gained prominence as promising candidates for immunotherapies. AlphaLISA detection kits are designed to detect and quantify the levels of these molecules in cell culture media, serum, and cell lysates.

Technical Note
Technical Note
AlphaLISA Di-Methyl-Histone H3 lysine 4 (H3K4me2) cellular assay

Decoding Histone Modifications: A Targeted Assay for H3K4me2 In this study, you will find details about an optimized assay designed to quantify changes in H3K4me2 levels following treatment with sodium butyrate and Trichostatin A (TSA), both of which are non-selective histone deacetylase (HDAC) inhibitors. Using a standardized histone extraction procedure, we detect the target mark by employing a biotinylated anti-Histone H3 (C-terminus) antibody and AlphaLISA Acceptor beads conjugated to an antibody specific to the mark.

Technical Note
Technical Note
AlphaLISA Di/Mono-Methyl-Histone H3 Lysine 27 (H3K27me2-1) cellular detection kit

Quantification of H3K27me3 Levels Using AlphaLISA Technology In this technical note discover how AlphaLISA ™ immunodetection assay tracks variations in cellular extract levels of di-methylated histone H3 lysine 27 (H3K27me2-1).

Technical Note
Technical Note
AlphaLISA DOT1L histone H3 lysine-N-methyltransferase assay

Unlocking the secrets of epigenetics, our technical not dives into optimizing a DOT1L enzymatic assay This technical document outlines the optimization of a DOT1L enzymatic assay using oligonucleosomes as the substrate. Discover how the assay easily detects the dimethylated product of histone H3 lysine 79 by leveraging a biotinylated anti-H3K79me2 antibody, which binds to the epigenetic mark of interest.

Technical Note
Technical Note
AlphaLISA EZH2 Histone H3-Lysine 27 N-methyltransferase assay

Lysine 27 Dimethylation Detection with AlphaLISA Technology In this technical note discover how AlphaLISA immunodetection assay detects dimethylation of a biotinylated Histone H3 (21-44) peptide at lysine 27. It uses anti-di/mono-methyl-Histone H3 Lysine 27 (H3K27me2-1) as the detection antibody.

Technical Note
Technical Note
AlphaLISA for biomarkers in urine: Measuring the renal tubular injury indicator, β2-microglobulin

AlphaLISA ™ Detects β2-Microglobulin in Urine with High Sensitivity When kidney tubular function is impaired, elevated levels of β2-microglobulin in urine indicate renal filtration or reabsorption disorders. Measuring urinary β2-microglobulin can help assess tubular function, but variability in urine composition may affect results. In this study, AlphaLISA ™ technology is demonstrated for the first time in the complex matrix of urine, and is shown to detect the renal tubular injury marker Beta2-microglobulin (β2-microglobulin), in urine at a sensitivity of 77 pg/mL.

Technical Note
Technical Note
AlphaLISA G9a Histone H3-Lysine N-methyltransferase assay

Quantification of Histone H3 Lysine 9 Di-Methylation Using AlphaLISA Assay In this technical note discover how The AlphaLISA assay detects di-methylation of a biotinylated Histone H3 (1-21) peptide at lysine 9. In this assay, a biotinylated histone H3-derived peptide serves as the substrate, and the modified substrate is detected using Streptavidin (SA) Alpha Donor beads and AlphaLISA Acceptor beads conjugated to an antibody specific to the epigenetic mark of interest.

Technical Note
Technical Note
AlphaLISA HDAC1 Histone H3-Lysine 27 deacetylase assay

AlphaLISA Assay Insights: Tracking Deacetylation Dynamics on Histone H3 Peptides In this technical note discover how this AlphaLISA assay is designed to detect the removal of acetyl groups from a biotin-tagged peptide derived from Histone H3, specifically the segment from amino acids 21 to 44, which has been acetylated at the lysine 27 position. For research use only. Not for use in diagnostic procedures.

Technical Note
Technical Note
AlphaLISA in urine: Detecting kidney injury marker KIM-1

AlphaLISA ™ Technology: Unveiling KIM-1 Detection in Urinary Matrices In this technical note discover how AlphaLISA ™ technology is used in the complex matrix, urine. The variability of urine matrix components can affect antibody binding and assay performance. In this note, AlphaLISA technology was shown to detect the kidney injury marker, KIM-1, in urine down to 14 pg/mL. For research use only. Not for use in diagnostic procedures

Technical Note
Technical Note
AlphaLISA JMJD3 Histone H3-Lysine 27 demethylase assay

Measuring Lysine 27 Tri-Methylation Demethylation in Histone H3 with AlphaLISA In this technical note, you will discover how this AlphaLISA immunodetection assay detects the demethylation of a biotinylated Histone H3 (21-44) peptide that is tri-methylated at lysine 27.

Technical Note
Technical Note
AlphaLISA KAT5 (TIP60) assay

AlphaLISA KAT5 (TIP60) Assay for Detecting Histone H4 Acetylation In this technical note, you will discover how this AlphaLISA™ immunoassay detects the acetylation of the N-terminal lysine residues on a Histone H4 (1-25) peptide. For research use only. Not for use in diagnostic procedures.

Technical Note
Technical Note
AlphaLISA LSD1 Histone H3-Lysine 4 demethylase assay

AlphaLISA-Based Assay for LSD1 Activity on Histone H3-Lysine 4 In this technical note discover how this AlphaLISA immunoassay detects the demethylation of a biotinylated Histone H3 (1-21) peptide that is mono-methylated at lysine 4. For research use only. Not for use in diagnostic procedures.

Technical Note
Technical Note
AlphaLISA PRMT1 Histone H4-Arginine 3 N-methyltransferase assay

AlphaLISA Assay for PRMT1-Mediated Methylation of Histone H4 at Arginine 3 In this technical note dsicover how this AlphaLISA™ immunoassay detects the methylation of a biotinylated histone H4 (1-21) peptide specifically at arginine 3.

Technical Note
Technical Note
AlphaLISA PRMT4 (CARM1) Histone H3-Arginine N-methyltransferase assay

Detection of PRMT4-Mediated Histone H3 Methylation at Arginine 26 using AlphaLISA In this technical note, discover how this AlphaLISA™ immunoassay detects the methylation of a biotin-labeled histone H3 peptide (amino acids 21-44) at arginine 26. For research use only. Not for use in diagnostic procedures.

Technical Note
Technical Note
AlphaLISA PRMT6 Histone H3-Arginine N-methyltransferase assay

Detection of Histone H3 Methylation Using AlphaLISA Assay In this technical note, you will discover how this AlphaLISA immunodetection assay detects the methylation of a biotinylated histone H3 (1-21) peptide at arginine 2.

Technical Note
Technical Note
AlphaLISA SIRT1 Histone H3-Lysine 4 deacetylase assay

AlphaLISA Assay: A Tool for Measuring Histone H3 Deacetylation In this technical note, you will discover how the AlphaLISA immunodetection assay is used to determine the deacetylation level of a Histone H3 peptide (from the 1st to the 21st amino acid) that has been biotinylated and acetylated at the 4th lysine residue.

Guide
Guide
AlphaLISA SureFire Ultra assay optimization

This guide outlines further possible optimization of cellular and immunoassay parameters to ensure the best possible results are obtained.

Application Note
Application Note
AlphaLISA SureFire Ultra: elucidating TREM2/DAP12 signaling in neuroinflammation

This application note explores how the AlphaLISA™ SureFire® Ultra™ technology reveals the intricacies of TREM2/DAP12 signaling in neuroinflammation.

Guide
Guide
AlphaLISA SureFire Ultra: the ultimate guide for successful experiments

The definitive guide for setting up a successful AlphaLISA SureFire Ultra assay Several biological processes are regulated by protein phosphorylation. It is, therefore, no surprise that the dysregulation of protein phosphorylation is implicated in a relatively large number of diseases. AlphaLISA SureFire Ultra assays provide a robust and reliable method for quantifying a targeted phosphorylation event in cell-based experiments. This guide contains tools and data helpful for you to perform your assays using AlphaLISA SureFire Ultra: A detailed description of the assay and its options A thorough investigation of assay conditions to obtain the optimal response from the chosen modulator and cell line A list of optimization steps to provide a sufficient assay window and produce the strongest results possible