Pure, active proteins from Merck are the workhorses of your research.



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No matter what biological system you study, you rely on proteins to execute cellular functions. With decades of experience and the technical expertise of Upstate®, Chemicon® and Calbiochem®, our protein chemistry division has access to the latest production platforms and thought leaders. Depend on our renowned kinases, ECMs, ubiquitination proteins, histones and substrates for accurate data, lot after lot.

Browse our entire collection of proteins and enzymes, including bulk and custom ordering options.


Featured Resources
Application Note:
"Detecting Substrate Ubiquitination by the E3 Ligase, XIAP, Using Quantitative Assays"

Do you know your RPM? Easily convert g-Force to RPM using our new Conversion Chart. Post it in your lab for easy reference.

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Poster:
"Human Kinome and InhibitorSelect™ Libraries" 

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