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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 (444)
Protein and Antibody Labeling Kits (152)
Protein Modification Reagents (149)
Crosslinking Reagents (108)
Tandem Mass Tag Reagents (49)

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1

Thermo Scientific™ TMTpro™ 16plex Label Reagent Set

The Thermo Scientific TMTpro 16plex Label Reagent Set enables multiplexing of up to 16 samples for multiplexed protein identification and quantitation using tandem mass spectrometry (MS/MS).

Workflow Step Protein Labeling
Final Product Type Peptide
Product Type Isobaric Label Reagent Set
For Use With (Equipment) Mass Spectrometer
Label or Dye Tandem Mass Tag™ (TMT) Labels
Detection Method Mass Spectrometry
Product Line TMT
3

Thermo Scientific™ BS3 (bis(sulfosuccinimidyl)suberate)

Crosslink amines to amines with BS3; composed of sulfo-NHS-ester groups separated by an 11.4A, water-soluble spacer arm that is useful for cell-surface protein crosslinking.

Cleavable No
Product Type Crosslinker
Molecular Weight (g/mol) 572.43
Solubility Water
PEGylated No
4

Thermo Scientific™ WELQut Protease (5 U/μL)

Thermo Scientific™ WELQut Protease is a highly specific serine protease cleaving outside the WELQX recognition motif to remove N-terminal protein fusion tags.

5

Invitrogen™ Alexa Fluor™ 488 C5 Maleimide  DFS Item

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

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.

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™ Bond-Breaker™ TCEP Solution, Neutral pH

Efficiently reduce protein disulfide bonds with this stable, odorless, 0.5M solution of TCEP reducing agent that is ideal for making reducing SDS-PAGE sample buffers.

8

MilliporeSigma™ Calbiochem™ SPUTOLYSIN™ Reagent

Intended for isolation of epithelial cells, pathogenic or saprophytic bacteria, fungi, and yeasts from sputum

9

Invitrogen™ SiteClick™ sDIBO Alkyne Kits for Antibody Labeling  DFS Item

Easily attach Alexa Fluor™ pHrodo™ and Biotin sDIBO Alkyne tags to azido-modified antibodies using SiteClick™ chemistry.

Shipping Condition Wet Ice
Labeling Target Azido modified antibodies
Content And Storage Store in refrigerator (2°C to 8°C) and protect from light.
Labeling Method Click Chemistry
Chemical Reactivity Azide
10

Thermo Scientific™ Sulfo-MBS (m-maleimidobenzoyl-N-hydroxysulfosuccinimide ester)

Crosslink amines to sulfhydryls with this short, water-soluble crosslinker composed of sulfo-NHS-ester and maleimide groups at ends of an aromatic, 6-atom (7.3A) spacer arm.

11

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

Thermo Scientific EZ-Link Sulfo-NHS-LC-LC-Biotin enables simple and efficient biotin labeling of antibodies, proteins, and any other primary amine–containing macromolecules.

Label Type Biotin & Analogs
12

MilliporeSigma™ Chymotrypsin, Human Pancreas

Prepared from tissue of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV

13

Invitrogen™ Alexa Fluor™ 430 NHS Ester (Succinimidyl Ester)  DFS Item

Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 430 dye is water soluble and pH-insensitive from pH 4 to pH 10.

15

Invitrogen™ Alexa Fluor™ 594 Azide (Alexa Fluor™ 594 Carboxamido-(6-Azidohexanyl), Triethylammonium Salt), mixed isomers  DFS Item

Alexa Fluor™ 594 Azide (Alexa Fluor™ 594 Carboxamido-(6-Azidohexanyl), Triethylammonium Salt), mixed isomers