

Advance your research with the Merck Proteins & Enzymes Collection—a comprehensive portfolio designed to meet the rigorous demands of life science professionals worldwide. Backed by Merck’s decades of expertise, these high-purity proteins and enzymes are trusted across academia, biotech, and pharmaceutical sectors for their consistent quality, broad application scope, and reliable results.
Whether you’re exploring protein structure, analyzing enzymatic reactions, optimizing cell culture, or developing therapeutic solutions, Merck empowers you to achieve scientific breakthroughs with confidence.
Merck’s proteins and enzymes drive innovation across a wide range of research and production settings. Here’s how you can apply them to accelerate your workflow:
Why choose Merck? Each product delivers:
Navigate our collection with ease and discover precisely the right reagent for your needs:
Glycosidases
Enzymes that cleave glycosidic bonds, supporting glycoprotein research and carbohydrate analysis.
Popular product: β-Galactosidase from Escherichia coli (SKU: G5635)
Coenzymes & Cofactors
Essential molecules like NAD+, FAD, and ATP that facilitate a variety of enzymatic reactions.
Popular product: NAD+ (SKU: N1511)
Nucleases
Including both DNases and RNases, used for nucleic acid digestion, cloning, and nucleic acid removal in sample prep.
Popular product: DNase I from bovine pancreas (SKU: D5025)
Albumins & Transport Proteins
High-purity bovine serum albumin (BSA), ovalbumin, and transferrin—key for cell culture, protein stabilization, and assay support.
Popular product: Albumin from bovine serum (SKU: A9647)
Proteases & Tissue Dissociation Enzymes
Trypsin, collagenase, papain, and dispase for protein digestion and single-cell preparation from tissues.
Popular product: Trypsin from porcine pancreas (SKU: T4799)
Detection Substrates & Enzyme Reagents
Substrates and labels for ELISA, Western blot, and immunoassays.
Popular product: 4-Nitrophenyl phosphate disodium salt (SKU: N2765)
Explore some of Merck’s flagship proteins and enzymes—widely cited in research and chosen by leading labs for their quality and reliability:
| Product Name | SKU | Description | Application |
|---|---|---|---|
| DNase I, bovine pancreas | D5025 | Endonuclease for DNA digestion and clean-up | Genomics, sample prep, cloning |
| Trypsin, porcine pancreas | T4799 | Protease for cell dissociation and protein analysis | Cell culture, proteomics |
| β-Galactosidase, E. coli | G5635 | Glycosidase for carbohydrate analysis | Glycoprotein research, molecular biology |
| Albumin, bovine serum (BSA) | A9647 | Protein stabilizer and cell culture supplement | Cell culture, immunoassays |
| 4-Nitrophenyl phosphate, disodium salt | N2765 | Substrate for alkaline phosphatase assays | ELISA, enzyme activity measurement |
Each product is supported by extensive technical documentation, Certificates of Analysis, and batch-specific data to ensure full transparency and reproducibility.
1. What packaging sizes are available?
Most Merck enzymes and proteins are offered in multiple pack sizes—from small vials for pilot experiments to bulk packaging for large-scale production.
2. How should I store my proteins and enzymes?
Refer to each product’s technical datasheet. Many enzymes require refrigeration (2–8°C) or storage at –20°C to maintain activity. Avoid repeated freeze-thaw cycles.
3. Are custom or bulk orders supported?
Yes, Merck offers OEM and custom synthesis services for many proteins and enzymes. If you need specialized formulations, larger volumes, or documentation for regulatory compliance, reach out to our technical team.
4. Where can I find technical protocols or Certificates of Analysis?
Every product detail page includes downloads for protocols, SDS, and Certificates of Analysis (COA), ensuring you have the information you need for compliant, successful research.
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