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Protein Labeling Reagents

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 2,895 results
1

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

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™
2

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

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™
3

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.

EDGE
4

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.

EDGE
5

Invitrogen™ pHrodo™ Dyes for Amine Labeling

Amine-reactive and TFP ester pHrodo dyes enable accurate measurement of cell endocytosis and phagocytosis, with low signal-to-background, for use in live cell assays.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Label Type pHrodo (pH sensitive)
Chemical Reactivity Amine
Product Line pHrodo™
6

Molecular Probes™ Alexa Fluor™ 647 C2 Maleimide

Alexa Fluor™ 647 is a bright, far-red fluorescent dye with excitation ideally suited for the 594 nm or 633 nm laser lines.

EDGE ENCOMPASS_PREFERRED
7

Thermo Scientific™ EZ-Link™ NHS-Biotin

Biotinylate protein amines (e.g., lysines) with a simple, short (13.5A), NHS-ester biotinylation reagent containing a membrane-permeable spacer arm for intracellular labeling.

EDGE
8

Molecular Probes™ Alexa Fluor™ 405 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 405 is a blue-fluorescent dye optimal for use with the 405 nm violet laser.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Product Type Dye
Label or Dye Alexa Fluor™ 405
Reactive Moiety Active Ester, Succinimidyl Ester
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor™
9

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

EDGE
Label Type Biotin & Analogs
10

Molecular Probes™ Alexa Fluor™ 488 C5 Maleimide

Alexa Fluor™ 488 is a bright, green fluorescent dye with excitation ideally suited to the 488 nm laser line.

EDGE ENCOMPASS_PREFERRED
11

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).

EDGE
12

Molecular Probes™ Biotin-XX, SE (6-((6-((Biotinoyl)Amino)Hexanoyl)Amino)Hexanoic Acid, Succinimidyl Ester)

Biotin-XX, SE (6-((6-((Biotinoyl)Amino)Hexanoyl)Amino)Hexanoic Acid, Succinimidyl Ester)

EDGE ENCOMPASS_PREFERRED
13

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

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this popular amine-reactive biotinylation reagent.

EDGE
Cell Permeability Cell-Impermeant
Content And Storage Upon receipt store desiccated at -20° C. Product is shipped at ambient temperature.
Product Type Sulfo-NHS-LC-Biotin
Spacer Mid-length
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™
14

Molecular Probes™ Alexa Fluor™ 488 NHS Ester (Succinimidyl Ester)

Alexa Fluor™ 488 is a bright, green-fluorescent dye with excitation ideally suited for the 488 nm laser line.

ENCOMPASS_PREFERRED
Shipping Condition Room Temperature
Content And Storage Store in freezer (-5 to -30°C) and protect from light.
Product Type Dye
Label or Dye Alexa Fluor™ 488
Emission 517 nm
Excitation 494 nm
Label Type Alexa Fluor
Chemical Reactivity Amine
Product Line Alexa Fluor™
15

Thermo Scientific™ EZ-Link™ Maleimide-PEG11-Biotin

Biotinylate reduced cysteines with this long, maleimide-activated, sulfhydryl-reactive biotinylation reagent with an 11-unit PEG spacer arm to enhance solubility and reach.