Proteins and Enzymes

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.