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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.

Antibodies

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


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Duolink® Proximity Ligation Assay

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

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Duolink® Proximity Ligation Assay

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Proteins, Enzymes & Small Molecules
Proteins, Enzymes & Small Molecules

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

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Bioactive Small Molecules
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.

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Protein Mass Spectrometry
Protein Mass Spectrometry

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

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Protein Electrophoresis & Western Blotting
Protein Electrophoresis & Western Blotting

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

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Protein Purification Chromatography
Protein Purification Chromatography

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

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Protein Sample Prep
Protein Sample Prep

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

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Immunoassay Platform Solutions
Immunoassay Platform Solutions

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

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kits (1860)

antibodies (663)

primary antibodies (402)

secondary antibodies (252)

enzymes (51)

substrates (48)

human (1589)

mouse (559)

rat (323)

rabbit (88)

canine (71)

rhesus macaque (69)

ELISA (2068)

western blot (439)

flow cytometry (305)

immunohistochemistry (303)

immunoprecipitation (IP) (186)

immunofluorescence (163)
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Showing 1-20 of 2957
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Showing 1-20 of 2957
Benzonase<SUP>®</SUP> Nuclease
E1014

Benzonase® Nuclease

≥250 units/μL, ≥90% (SDS-PAGE), recombinant, expressed in E. coli, buffered aqueous glycerol solution

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 10 kDa MWCO
UFC9010

Amicon® Ultra Centrifugal Filter, 10 kDa MWCO

sample volume 15 mL, regenerated cellulose membrane, MWCO 10 kDa

cOmplete<SUP>™</SUP>, EDTA-free Protease Inhibitor Cocktail
COEDTAF-RO

cOmplete, EDTA-free Protease Inhibitor Cocktail

Tablets provided in glass vials

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 100 kDa MWCO
UFC9100

Amicon® Ultra Centrifugal Filter, 100 kDa MWCO

sample volume 15 mL, regenerated cellulose membrane, MWCO 100 kDa

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 30 kDa MWCO
UFC9030

Amicon® Ultra Centrifugal Filter, 30 kDa MWCO

sample volume 15 mL, regenerated cellulose membrane, MWCO 30 kDa

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 10 kDa MWCO
UFC5010

Amicon® Ultra Centrifugal Filter, 10 kDa MWCO

sample volume 0.5 mL, regenerated cellulose membrane, MWCO 10 kDa

Protease Inhibitor Cocktail
P8340

Protease Inhibitor Cocktail

DMSO solution, for the inhibition of serine, cysteine, acid proteases and aminopeptidases, for use with mammalian cell and tissue extracts, DMSO solution

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 10 kDa MWCO
UFC8010

Amicon® Ultra Centrifugal Filter, 10 kDa MWCO

sample volume 4 mL, regenerated cellulose membrane, MWCO 10 kDa

Trypsin-EDTA solution
T4049

Trypsin-EDTA solution

0.25%, sterile-filtered, BioReagent, suitable for cell culture, 2.5 g porcine trypsin and 0.2 g EDTA, 4Na per liter of Hanks′ Balanced Salt Solution with phenol red

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 3 kDa MWCO
UFC5003

Amicon® Ultra Centrifugal Filter, 3 kDa MWCO

sample volume 0.5 mL, regenerated cellulose membrane, MWCO 3 kDa

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 3 kDa MWCO
UFC9003

Amicon® Ultra Centrifugal Filter, 3 kDa MWCO

sample volume 15 mL, regenerated cellulose membrane, MWCO 3 kDa

3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System for ELISA
T0440

3,3′,5,5′-Tetramethylbenzidine

peroxidase substrate, chromogenic, liquid

ANTI-FLAG<SUP>®</SUP> M2 antibody, Mouse monoclonal
F1804

ANTI-FLAG® M2 antibody, Mouse monoclonal

1 mg/mL, clone M2, affinity isolated antibody, buffered aqueous solution (50% glycerol, 10 mM sodium phosphate, and 150 mM NaCl, pH 7.4)

Accutase<SUP>®</SUP> solution
A6964

Accutase® solution

sterile-filtered, suitable for cell culture

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 30 kDa MWCO
UFC5030

Amicon® Ultra Centrifugal Filter, 30 kDa MWCO

sample volume 0.5 mL, regenerated cellulose membrane, MWCO 30 kDa

Deoxyribonuclease I from bovine pancreas
DN25

Deoxyribonuclease I from bovine pancreas

lyophilized powder, Protein ≥85 %, ≥400 Kunitz units/mg protein

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 50 kDa MWCO
UFC9050

Amicon® Ultra Centrifugal Filter, 50 kDa MWCO

sample volume 15 mL, regenerated cellulose membrane, MWCO 50 kDa

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 100 kDa MWCO
UFC5100

Amicon® Ultra Centrifugal Filter, 100 kDa MWCO

sample volume 0.5 mL, regenerated cellulose membrane, MWCO 100 kDa

Hyaluronidase from bovine testes
H3506

Hyaluronidase from bovine testes

Type I-S, lyophilized powder, 400-1000 units/mg solid

Amicon<SUP>®</SUP> Ultra Centrifugal Filter, 30 kDa MWCO
UFC8030

Amicon® Ultra Centrifugal Filter, 30 kDa MWCO

sample volume 4 mL, regenerated cellulose membrane, MWCO 30 kDa

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