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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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2

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).

3

Thermo Scientific™ EZ-Link™ Phosphine-PEG3-Biotin

Label azide-tagged molecules for metabolic labeling (Staudinger ligation) and streptavidin detection using this phosphine-activated biotinylation reagent.

4

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).

5

Thermo Scientific™ GalNAz (N-azidoacetylgalactosamine tetraacylated)

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

6

Thermo Scientific™ EZ-Link™ NHS-Desthiobiotin

Label intracellular proteins for affinity purification with streptavidin beads

7

Thermo Scientific™ Pierce™ Premium Grade Sulfo NHS-SS-Biotin

Biotin-label antibodies or other proteins and biomolecules in applications where product integrity and risk minimization are paramount with Thermo Scientific™ Pierce™ Premium Grade Sulfo-NHS-SS-Biotin, a high-quality formulation of this amine-reactive, cleavable biotinylation reagent.

Cell Permeability Cell-Impermeant
Product Type Sulfo NHS-SS-Biotin
Spacer Mid-length, Cleavable
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Reactive Moiety Active Ester, Succinimidyl Ester, Sulfo-NHS Ester
Label Type Biotin & Analogs
Chemical Reactivity Amine
Product Line Pierce
8

Thermo Scientific™ DyLight™ 550 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™ 550
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 576
Excitation 562
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
9

Thermo Scientific™ EZ-Link™ Hydrazide-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this simplest and shortest (15.7A) hydrazide-activated biotinylation reagent.

10

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.

11

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.

12

Thermo Scientific™ EZ-Link™ Iodoacetyl-LC-Biotin

Biotinylate reduced cysteines (-SH groups) at high pH via irreversible thioether bonds with this haloacetyl-activated, sulfhydryl-reactive biotinylation reagent.

13

Thermo Scientific™ EZ-Link™ NHS-LC-Biotin

Biotinylate protein amines (e.g., lysines) with this long-chain (22.4A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.

14

Thermo Scientific™ EZ-Link™ Amine-PEG3-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with a mid-length (22.9A) biotinylation reagent containing a 3-unit polyethylene glycol spacer.

15

Thermo Scientific™ EZ-Link™ NHS-LC-LC-Biotin

Biotinylate protein amines with this doubly-long-chain (30.5A), NHS-ester biotinylation reagent containing a membrane permeable spacer arm for intracellular labeling.