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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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1 – 15 of 293 results
1

Invitrogen™ BODIPY™ 493/503 NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ 493/503 dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.

2

Thermo Scientific™ DyLight™ 800 Maleimide

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

3

Molecular Probes™ 6-JOE, SE (6-Carboxy-4',5'-Dichloro-2',7'-Dimethoxyfluorescein, Succinimidyl Ester)  DFS Item

6-JOE, SE (6-Carboxy-4',5'-Dichloro-2',7'-Dimethoxyfluorescein, Succinimidyl Ester)

4

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.

5

Invitrogen™ Click-iT™ Protein Reaction Buffer Kit  DFS Item
GREENER_CHOICE

Click two moieties together: azide or alkyne and the corresponding click detection reagent

6

Invitrogen™ Alexa Fluor™ 594 Biocytin, Sodium Salt (Biocytin Alexa Fluor™ 594)  DFS Item

Alexa Fluor™ 594 biocytin, sodium salt (biocytin Alexa Fluor™ 594)

7

Thermo Scientific™ EZ-Link™ Alkoxyamine-PEG12-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a very long (55.4A), pegylated biotinylation reagent containing a 12-unit PEG spacer for length and solubility.

8

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
9

Invitrogen™ Alexa Fluor™ 594 Hydrazide, for microinjection  DFS Item

Alexa Fluor™ 594 Hydrazide is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

10

Thermo Scientific™ DyLight™ 521-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).

11

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).

12

Thermo Scientific™ DyLight™ 510-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).

13

Thermo Scientific™ DyLight™ 425Q NHS Ester

Quench fluorescence resonance energy transfer (FRET) applications involving DyLight Fluors or other fluorescent probes using these non-fluorescent dyes.

14

Thermo Scientific™ GlcNAz (N-azidoacetylglucosamine tetraacylated)

Study glycoproteins using in vivo metabolic labeling and chemoselective ligation to phosphine reagents with these azide-tagged sugars (GlcNAz, GalNAz, ManNAz).

15

Thermo Scientific™ ManNAz (N-azidoacetylmannosamine tetraacylated)

Study glycoproteins using in vivo metabolic labeling and chemoselective ligation to phosphine reagents with these azide-tagged sugars (GlcNAz, GalNAz, ManNAz).