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Promega Corporation

Protein Interactions


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Protein Interactions
HaloTag® Technology for Protein Interactions

HaloTag® Pull-Down Systems allow rapid capture of binary and higher order complexes directly from lysates, and allow correlation of capture with cellular localization.

Featured Products

HaloTag® Pull-Down for Protein:DNA Interactions

No antibody required! Identify protein:DNA interactions in 24-48 hours with a simple, proven ChIP system. 


View the animation below to learn how to use TNT® cell-free expression systems for convenient co-immunoprecipitation experiments.

GST Magnetic Pull-Downs

Quickly identify protein:protein interactions in either  E. coli or TnT® cell-free systems.

HaloLink™ Resin

Easy, covalent, oriented attachment of HaloTag® fusion proteins.

HaloLink™ Protein Arrays

Generate your own custom protein arrays, using your choice of target and obtain sensitive, easy detection.

Featured Resources

pubhub_fr HaloCHIP™ System: Mapping Intracellular Protein:DNA Interactions using HaloTag® Technology

This article introduces the HaloCHIP™ System, describing the method details, providing example data, and highighting the benefits of using this system to detect protein:DNA complexes.

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Scientists at Your Service

Scientists at Your Service

We offer a range of services to help you succeed using Promega technologies. From product training to set up of automated systems and development of custom applications—our scientific support goes beyond the basics.

Ask us! We are here to help you.