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Protein Labeling Reagents

Various reagents designed to selectively label target proteins. Products include classic dyes, radioisotope labels, biotinylation reagents, fluorescent labels, molecular probes, assays, and labeling kits.
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Keyword Search:
1 – 15 of 296 results
1

Molecular Probes™ Alexa Fluor™ 790 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 790 is a bright and photostable near-IR dye that is spectrally similar to indocyanine green (ICG) and the IRDye™ 800 dye.

4

Invitrogen™ 5-ROX (5-Carboxy-X-Rhodamine, Triethylammonium Salt), single isomer  DFS Item

5-ROX (5-Carboxy-X-Rhodamine, Triethylammonium Salt), single isomer

5

Thermo Scientific™ DyLight™ 515-LS NHS Ester

Label antibodies or other proteins for FRET and multiplex fluorescence assays using fluors with large Stokes shifts (488nm excitation; yellow to far-red emission).

6

Thermo Scientific™ EZ-Link™ Amine-PEG4-Desthiobiotin, No-Weigh™ Format

Thermo Scientific™ EZ-Link™ Amine-PEG4-Desthiobiotin No-Weigh™ Format is a pegylated amine compound whose biotin-like group is elutable from streptavidin, making it ideal for carbodiimide (EDC) conjugation to carboxylates for labeling and purification.

7

Invitrogen™ NovaFluor™ Antibody Conjugation Kits  DFS Item

Get the most out of your panel design by conjugating antibodies to NovaFluor dyes specifically designed for spectral hygiene to have narrow emission spectra and minimal cross-laser excitation.

Product Line NovaFluor
8

Thermo Scientific™ DyLight™ 755 NHS Ester

Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of NHS ester-activated DyLight Dyes.

Labeling Target Proteins
Content And Storage Store desiccated at -20°C.
Product Type Dye
Label or Dye DyLight™ 755
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 776
Excitation 754
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
9

MilliporeSigma™ Novagen™ D-Desthiobiotin

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

10

Invitrogen™ Alexa Fluor™ 594 Cadaverine  DFS Item

Alexa Fluor™ 594 Cadaverine is useful as a polar tracer and as a reactive dye for labeling proteins via a carboxylic acid moiety.

13

Invitrogen™ Alexa Fluor™ 546 C5 Maleimide  DFS Item

Alexa Fluor™ 546 is a bright, orange fluorescent dye that can be excited using the 488 nm or 532 nm laser lines.

14

Invitrogen™ Fluorescein-5-Isothiocyanate (FITC 'Isomer I')  DFS Item

Fluorescein-5-Isothiocyanate (FITC 'Isomer I')

Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Fluorescein-5-Isothiocyanate
Label or Dye FITC (Fluorescein)
Reactive Moiety Isothiocyanate
Label Type Classic Dyes
Chemical Reactivity Amine
15

Invitrogen™ Click-IT™ GlcNAz Metabolic Glycoprotein Labeling Reagent (tetraacetylated N-Azidoacetylglucosamine)  DFS Item
GREENER_CHOICE

Compatible with LC-MS/MS and Multiplexed Proteomics™ technologies