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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 68 results
1
Promotions Available

Invitrogen™ Click-iT™ Cell Reaction Buffer Kit
GREENER_CHOICE

Clicks the two moieties together

EDGE
2

Invitrogen™ Fura-2, AM, cell permeant (1 mM Solution in Anhydrous DMSO)

Fura-2, AM is a high affinity, intracellular calcium indicator that is ratiometric and UV light–excitable.

3

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.

EDGE
4
Promotions Available

Thermo Scientific™ EZ-Link™ Sulfo NHS-LC-LC-Biotin, No-Weigh™ Format

EDGE
Label Type Biotin & Analogs
5

Thermo Scientific™ EZ-Link™ HPDP-Biotin, No-Weigh™ Format

EDGE
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide)
Label Type Biotin & Analogs
6

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

Thermo Scientific™ EZ-Link™ Sulfo-NHS-Biotin is a short-chain, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

EDGE
Cell Permeability Cell-Impermeant
Product Type Sulfo-NHS-Biotin
Spacer Short
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link
7

Thermo Scientific™ EZ-Link™ Alkoxyamine-PEG4-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a mid-length (27.0A), pegylated biotinylation reagent containing a 4-unit PEG spacer for length and solubility.

EDGE
8

Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin

Thermo Scientific™ EZ-Link™ NHS-PEG4-Biotin is a pegylated, water-soluble reagent for simple and efficient biotin labeling of antibodies, proteins and other primary amine-containing macromolecules.

EDGE
Cell Permeability Cell-Impermeant
Content And Storage Store at -20°C.
Product Type NHS-PEG4-Biotin
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link
9

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

Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Biotin is an intermediate-length, water-soluble biotinylation reagent for labeling antibodies, proteins and other molecules that have primary amines.

EDGE
Cell Permeability Cell-Impermeant
Product Type Sulfo-NHS-LC-Biotin
Spacer Mid-length
Label or Dye Biotin
Solubility DMF (Dimethylformamide),DMSO (Dimethylsulfoxide),Water
Chemical Reactivity Amine
Product Line EZ-Link
10

Invitrogen™ Cascade Blue™ hydrazide, Trisodium Salt

The cell-impermeant, fixable, polar tracer Cascade Blue™ hydrazide can be used to investigate cell-cell and cell-liposome fusion as well as membrane permeability and transport through gap junctions or cell uptake during pinocytosis.

12

Invitrogen™ Alexa Fluor™ 488 Hydroxylamine

Alexa Fluor™ 488 Hydroxylamine is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.

EDGE
13

Cytiva CypHer5E NHS Esters

A red-excitable, pH-sensitive cyanine dye derivative, reporting receptors movement from the cell surface into acidic endosomes upon agonist stimulation.

Product Type CypHer5E NHS Ester
Formulation 100% CypHer 5E
Color Blue
Solubility Easily soluble in methanol; Very slightly soluble in cold water and hot water.
Emission 663
For Use With (Application) This reagent has been shown to be suitable for live cell receptor internalization studies using the IN Cell Analyzer 3000, IN Cell Analyzer 1000, and confocal microscopes. 0.5 mL of stock reagent will be sufficient for up to 500 wells.
14

Molecular Probes™ Alexa Fluor™ 488 Azide (Alexa Fluor™ 488 5-Carboxamido-(6-Azidohexanyl), Bis(Triethylammonium Salt)), 5-isomer

The green-fluorescent Alexa Fluor™ 488 azide is reactive with terminal alkynes via a copper-catalyzed click reaction.

EDGE
15

Thermo Scientific™ EZ-Link™ Biocytin

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