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1 Comprehensive TR-FRET Supporting Products
To meet the requirements across different experimental stages, we supply not only detection kits but also a full portfolio of supporting TR-FRET products.
In terms of reagents, the platform provides Tool Box products including Donors, Acceptors, Anti-Tag antibodies, Streptavidin, Protein A and Anti-IgG. For buffer systems, application-specific buffers are offered for Binding Assays, Kinase assays, PROTAC assays, Biotherapeutics, Cytokine assays, cAMP assays and FcRn assays.
For consumables, 96-well, 384-well and 1536-well microplates are available, together with Low-Volume Microplates, White/Black Microplates, Top Seals and Bottom Seals, delivering a complete experimental package for TR-FRET microplate-based detection.
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2 From Basic Research to Drug Discovery
KeyTec® TR-FRET unifies diverse molecular detection requirements onto a single platform. For basic research, TR-FRET enables protein-protein interaction analysis, cellular signaling measurement and cytokine detection. For drug discovery, the platform supports screening of kinase inhibitors, PPI inhibitors, GPCR agonists/antagonists, immune-target therapeutics and PROTAC/RIPTAC molecules. For biotherapeutic development, the portfolio covers hybridoma screening, antibody quantification and functional studies of FcRn, FcγR and related receptors.

KeyTec® TR-FRET platform, one platform for multiple applications.The KeyTec® TR-FRET assay platform, based on time-resolved fluorescence resonance energy transfer, supports versatile applications including basic research, drug discovery and biotherapeutic development, to detect protein-protein interactions, signaling events, cytokines, kinases, GPCRs, antibodies, hybridomas, PROTAC/RIPTAC and more.
Whether you require off-the-shelf assays for well-characterized targets or novel targets without established standard protocols, we deliver tailored solutions for every research stage through standardized kits, Tool Box reagents and custom development services.
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3 KeyTec® TR-FRET Product Portfolio
The KeyTec® TR-FRET portfolio spans multiple application areas including protein-protein interactions, kinase and enzymatic activity assays, cellular signaling, PROTAC/RIPTAC, GPCR/cAMP, cytokine detection, immune targets and antibody development, supplemented by the TR-FRET Tool Box, application-specific buffers and microplate consumables.
From ready-to-use assay kits and combinable Donor/Acceptor and tag-recognition reagents, to custom labeling and assay development for client-specific targets, we strive to help researchers establish TR-FRET detection systems more efficiently for molecular interaction validation, mechanistic studies and candidate drug screening.
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4 Start Your TR-FRET Research
Whether your work involves protein-protein interaction studies, kinase inhibitor screening, PROTAC ternary complex investigation, GPCR/cAMP measurement, cytokine analysis, immune target screening or antibody development, KeyTec® TR-FRET provides suitable assay products and technical support.

KeyTec® TR-FRET solutions for diverse research applications. KeyTec® TR-FRET supports a broad range of applications, including protein interaction, kinase inhibition, PROTAC ternary complex analysis, GPCR/cAMP detection, cytokine analysis, immunotherapy target screening, and antibody development. Researchers can choose ready-to-use TR-FRET Assay Kits, build flexible detection systems with the TR-FRET Tool Box, or develop customized solutions through TR-FRET labeling and assay development services.
AssayChoose proven TR-FRET Assay Kits to launch your target experiments rapidly. Select the TR-FRET Tool Box for flexible assembly of customized detection systems. If no standard product exists for your target, custom labeling and assay development services are available to build your exclusive assay solution.
KeyTec® TR-FRET
Your Target. Your Assay. Our Expertise.
Explore Products | Technical Support | Custom TR-FRET Assay
