Protein Labeling Reagents

MilliporeSigma™ Novagen™ D-Desthiobiotin

Provides elution of Strep·Tag™ II proteins from biotin-binding site of Strep·Tactin™ resins

Thermo Scientific™ EZ-Link™ Pentylamine-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this short (18.9A) biotinylation reagent.

Cytiva CyDye™ DIGE Fluor Minimal Dye Labeling Kits

Allow detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel. Amersham CyDye™ DIGE Fluor Minimal Labeling Kits contain size- and charge-matched fluorescent dyes specifically designed for detecting protein abundance differences in 2-D Fluorescence Difference Gel Electrophoresis using Ettan DIGE system.

Atto 594 Maleimide BioReagent, Suitable for Fluorescence, 80% (Coupling Rate), MilliporeSigma™ Supelco™

Novus Biologicals™ Lightning-Link (R) Rapid Alexa Fluor 594 Antibody Labeling Kit

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Antibody labeling kit

Cytiva Cy5.5 NHS Ester Mono-Reactive CyDye

Use for highly accurate labeling of amine groups. Cytiva Cy5.5 NHS Ester Mono-Reactive CyDye contain derivitized CyDyes that carry only one reactive group on each dye molecule for accurate labeling of amine groups, for example on antibodies, peptides, or oligonucleotides.

Novus Biologicals™ Lightning-Link (R) Rapid Type B Biotin Antibody Labeling Kit

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Optimised for assays in which biotinylated protein is captured by streptavidin immobilized on a surface.

Tocris Bioscience™ PA Janelia Fluor 646, Maleimide

Red photoactivatable dye (Reactive group: maleimide). Application: flow cytometry, confocal microscopy, super resolution microscopy including dSTORM & STED. Suitable for live cell imaging

Thermo Scientific™ HABA (4'-hydroxyazobenzene-2-carboxylic acid)

A colored, biotin assay reagent HABA (4'-hydroxyazobenzene-2-carboxylic acid) to measure biotinylation levels of biotinylated antibodies or proteins.

Invitrogen™ Click-IT™ Tetramethylrhodamine (TAMRA) Protein Analysis Detection Kit

Greener Choice
Offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”

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Supports differential analysis of glycoprotein subclasses, total proteins and total glycoproteins in the same gel

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Thermo Scientific™ EZ-Link™ Biocytin

Synthesize long or trifunctional biotinylation reagents using this biotin variant containing a primary amine in its valeric acid chain.

Cytiva CyDye™ DIGE Fluors: Cy2

Allow detection of up to three prelabeled protein samples and standards on the same 2-D electrophoresis gel

Invitrogen™ Fluorescein biotin, 5-((N-(5-(N-(6-(biotinoyl)amino)hexanoyl)amino)pentyl)thioureidyl)fluorescein

5-((N-(5-(N-(6-(biotinoyl)amino)hexanoyl)amino)pentyl)thioureidyl)fluorescein (fluorescein biotin)

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Atto 633 NHS Ester BioReagent, Suitable for Fluorescence, 90% (Coupling to Amines), MilliporeSigma™ Supelco™

Cytiva Amersham CyDye Value Packs (bis-Reactive NHS Ester), Purple

GSA/VA Contract
Available on GSA/VA contract for Federal Government customers.
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Label proteins, antibodies and more. Cytiva Amersham CyDye Value Packs (bis-Reactive NHS Ester) provide maximum economy in general labeling applications. Available in a variety of reactive dye colors: red (Cy3), blue (Cy5.5) and purple (Cy7).