We believe this site might serve you best:

United States

United States

Language: English

Promega's Cookie Policy

Our website uses functional cookies that do not collect any personal information or track your browsing activity. When you select your country, you agree that we can place these functional cookies on your device.

Our website does not fully support your browser.

We've detected that you are using an older version of Internet Explorer. Your commerce experience may be limited. Please update your browser to Internet Explorer 11 or above.

Protein analysis and purification Promega

Protein Labeling and Detection

Browse HaloTag® technology for cell imaging and in vivo protein localization, antibody conjugates and blotting systems as well as fluorescent and colorimetric labeling systems for proteins.

Study proteins under endogenous regulation. It's efficient and sensitive ... and easy to do in your lab. Learn more.

33 Products


Accessory Reagents

Shop all Protein Labeling and Detection

HaloTag® Ligands for Super Resolution Microscopy

The Janelia Fluor® 549 HaloTag® Ligand and Janelia Fluor® 646 HaloTag® Ligand enable fluorescent labeling, confocal imaging and high-resolution single-molecule imaging studies of HaloTag® fusion proteins in living cells.

GA1110, GA1111, GA1120, GA1121

HaloTag® Fluorescent Ligands

Multiple ligands for protein labeling and detection. Each ligand includes a chloroalkane group for HaloTag® protein attachment.

G8251, G8252, G2801, G2802, G8272, G8273, G8581, G8582, G1001, G1002, G8471, G8472, G2991, G3221, G8281, G8282, G8591, G8592

HaloTag® Technology for Protein Analysis

Custom HaloTag® Vectors and functional ligands for protein labeling and detection.

Nano-Glo® HiBiT Blotting System

Bioluminescent method for rapidly detecting HiBiT-tagged proteins on blots without antibodies.


Transcend™ Non-Radioactive Translation Detection Systems

Non-radioactive detection of proteins synthesized in vitro.

L5070, L5080

HaloTag® Protein Purification System

Enhanced expression and solubility of recombinant proteins with HaloTag® Ligands.

G6280, G6270

pFN29 and pFC30 His6HaloTag® T7 Flexi® Vectors

Generate C- or N-terminal polyhistidine-HaloTag® fusion proteins for inducible expression in E. coli and cell-free systems.

G8261, G8331, G8321, G8381

pHTC HaloTag® CMV-neo Vector

Simple multiple cloning site (MCS) HaloTag® C-terminal vector for traditional cloning.


pHTN HaloTag® CMV-neo Vector

Configured to append HaloTag® tag to the aminoterminus of the fused protein. Vector provides constitutive high-level protein expression in mammalian cells.


pFN28A and pFN28K HaloTag® CMV-neo Flexi® Vectors

Appends HaloTag® tag to the aminoterminus of the protein fusion partner.

G8441, G8451

pFC27A and pFC27K HaloTag® CMV-neo Flexi® Vectors

HaloTag® C-terminal Flexi® Vectors for directional cloning of protein-coding sequences.

G8421, G8431

HaloTag® Mammalian Protein Purification System

Highly pure recombinant protein from mammalian cell cultures, including proteins expressed at low levels.

G6790, G6795, G6799

TMB Stabilized Substrate for Horseradish Peroxidase

Stable, ready-to-use color development substrate.


ProtoBlot® II AP Systems with Stabilized Substrate and Western Express™ Fast Blotting Protocol

Rapid, sensitive detection of proteins immobilized on nitrocellulose or PVDF membranes.

W3940, W3950, W3960

Blocking Agents

Bovine serum albumin is used in immunoblotting applications with AP antibody conjugates. Tween® 20 dissociates nonspecific interactions with an antibody probe.

W3841, W3831

Showing 33 of 33 Products