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Crosslinking, Labeling and Protein Modification

A variety of reagents used to modify proteins for identification, analysis, research, and other applications.
Protein Labeling Reagents (50)
Protein and Antibody Labeling Kits (24)
Protein Modification Reagents (5)
Tandem Mass Tag Reagents (1)

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1

Thermo Scientific™ Pierce™ Iodination Tubes

Reliably label (iodinate) proteins and peptides with iodine-125 using glass test tubes that are pre-coated (activated) with iodination reagent.

2

MilliporeSigma™ Novagen™ D-Desthiobiotin

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

3

Invitrogen™ Click-IT™ ManNAz Metabolic Glycoprotein Labeling Reagent (tetraacetylated N-Azidoacetyl-D-Mannosamine)  DFS Item
GREENER_CHOICE

Simple and robust two-step technique

4

Invitrogen™ ARP (N-(aminooxyacetyl)-N'-(D-Biotinoyl) hydrazine, Trifluoroacetic Acid Salt)  DFS Item

ARP (N-(aminooxyacetyl)-N'-(D-Biotinoyl) hydrazine, Trifluoroacetic Acid Salt)

5

Invitrogen™ Dansyl Ethylenediamine, 5-Dimethylaminonaphthalene-1-(N-(2-Aminoethyl))sulfonamide  DFS Item

5-dimethylaminonaphthalene-1-(N-(2-aminoethyl))sulfonamide (dansyl ethylenediamine)

6

Invitrogen™ Alexa Fluor™ 633 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 633 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

Product Type NHS Ester (Succinimidyl Ester)
Label or Dye Alexa Fluor™ 633
Emission 639 nm
Excitation 621 nm
8

Thermo Scientific™ DyLight™ Antibody Labeling Kits

Covalently label antibodies or proteins with DyLight dyes for use in immunofluorescence, flow cytometry, western blot analysis, and high content analysis.

Labeling Target Antibodies,Proteins
Content And Storage Store the DyLight NHS Ester at -20°C. Store all other kit components at 4°C.
Product Type Labeling Kit
Quantity 3 reactions
Label Type DyLight™
Labeling Scale 0.5 to 1 mg
Chemical Reactivity Amine
Product Line DyLight
9

Thermo Scientific™ DyLight™ Microscale Antibody Labeling Kits

Label small batches of antibody for fluorescence microscopy, flow cytometry, IHC, western blots, ELISA, and more with DyLight Antibody Labeling kits.

Labeling Target Antibodies,Proteins
Content And Storage Store the DyLight NHS Ester at -20°C. Store all other kit components at 4°C.
Product Type Labeling Kit
Quantity 5 reactions
Label Type DyLight™
Labeling Scale 100 μg
Chemical Reactivity Amine
Product Line DyLight
10

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.

11

Invitrogen™ Alexa Fluor™ 647 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 647 is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line.

Emission 672 nm
Excitation 651 nm
12

Invitrogen™ Alexa Fluor™ 555 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 555 is a bright orange dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 555 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Shipping Condition Room Temperature
Product Type Dye
Emission 572 nm
Excitation 555 nm
Product Line Alexa Fluor
13

Invitrogen™ Alexa Fluor™ 594 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 594 is a bright red dye. Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 594 dye is water soluble and pH-insensitive from pH 4 to pH 10.

Shipping Condition Room Temperature
Product Type Dye
Emission 617 nm
Excitation 590 nm
Product Line Alexa Fluor
14

Invitrogen™ Alexa Fluor™ 750 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 750 is a bright and photostable near-IR dye that is spectrally similar to Cy7.

Shipping Condition Room Temperature
Product Type Dye
Emission 782 nm
Excitation 753 nm
Product Line Alexa Fluor
15

Invitrogen™ Alexa Fluor™ 680 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 680 is a bright and photostable near-IR dye that is spectrally similar to the Cy5.5 dye.

Shipping Condition Room Temperature
Product Type Dye
Emission 707 nm
Excitation 684 nm
Product Line Alexa Fluor