Protein Biology

A 3D rendering of numerous purple, irregularly shaped protein structures floating in a dark blue background, creating a dynamic and abstract representation of molecular biology.

From antibodies to enzymes and bioactive small molecules, we have the support you need for your protein biology research. Discover our large portfolio of antibodies along with high-quality protein electrophoresis and Western blotting products. Or, explore our reliable chromatography products for protein purification and protein sample prep. We also offer dependable proteins, enzymes, and bioactive small molecules for various research applications.

View All Products

Explore by Category

Antibodies Duolink^® Proximity Ligation Assay Proteins, Enzymes & Small Molecules Bioactive Small Molecules Protein Mass Spectrometry Protein Electropheresis and Western Blotting Protein Purification Chromotography Protein Sample Prep Immunoassay Platform Solutions

Antibodies

Explore our vast selection of primary, secondary, and recombinant monoclonal antibodies for ELISA, Western blot, and immunohistochemistry (IHC).

Featured Subcategories

ZooMAb^® Antibodies
Secondary Antibodies
Prestige Antibodies

Enhanced Validation Antibodies
Flow Cytometry Antibodies
Small Pack Antibodies

Duolink^® Proximity Ligation Assay

Duolink^® Proximity Ligation Assay (PLA) technology for detecting and quantifying protein-protein interactions.

Explore More Categories

Proteins, Enzymes & Small Molecules

Browse protein, enzyme, and small molecule products for cell biology, culture supplementation, and pathway studies.

View Products

Bioactive Small Molecules

Explore 4,000+ potent probes to fine-tune target activity across diverse pathways and major classes. Get expert-designed bioactive small molecules for precise modulation.

View Products

Protein Mass Spectrometry

To meet your mass spectrometry needs, explore our comprehensive offering of kits, tagging reagents, calibrants, and MS standards.

View Products

Protein Electrophoresis & Western Blotting

Find protein electrophoresis and Western blotting products, including Immobilon membranes, gels, stains, markers, and immunodetection reagents.

View Products

Protein Purification Chromatography

Browse our chromatography products for protein purification, including Protein A, Protein G, Protein L, and the FLAG^® system.

View Products

Protein Sample Prep

Browse our protein sample purification products, including Roche cOmplete™ protease inhibitors, benzonase, FLAG^® tag antibodies, and Amicon^® ultra centrifugal filters.

View Products

Immunoassay Platform Solutions

Browse our immunoassay platform products, including MILLIPLEX^® kits for Luminex^® panels and our SMCxPRO^® instruments and kits for sensitive biomarker detection.

View Products