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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 (429)
Protein and Antibody Labeling Kits (160)
Protein Modification Reagents (152)
Crosslinking Reagents (111)
Tandem Mass Tag Reagents (49)

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1 – 15 of 575 results
2

MilliporeSigma™ Proteinase K Solution, 600mAU/mL

Efficient removal of proteins from nucleic acid solutions

Content And Storage -20°C
Product Type Proteinase K
3

MilliporeSigma™ Novagen™ Overnight Express™ Autoinduction System 1

Induces protein expression without monitoring cell density.

Content And Storage 15°C to 30°C
4

MilliporeSigma™ Novagen™ D-Desthiobiotin

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

6

Thermo Scientific Chemicals Papain, Carica Papaya Latex

CAS: 9001-73-4 Synonym: EC 3.4.22.2

CAS 9001-73-4
Synonym EC 3.4.22.2
7

Bolton-Hunter Reagent, Thermo Scientific Chemicals

CAS: 34071-95-9 Molecular Formula: C13H13NO5 Synonym: N-Succinimidyl-3-(4-hydroxyphenyl)propionate; Rudinger reagent

CAS 34071-95-9
Synonym N-Succinimidyl-3-(4-hydroxyphenyl)propionate; Rudinger reagent
Molecular Formula C13H13NO5
8

MilliporeSigma™ Calbiochem™ Carboxypeptidase B, Porcine Pancreas

Native carboxypeptidase B catalyzes the release of C-terminal from basic amino acids, arginine, lysine, or ornithine from polypeptides

13

Invitrogen™ Biotin-4-Fluorescein

Biotin-4-fluorescein can be used to quantitate available biotin-binding sites or the concentration of avidin or streptavidin through the strong quenching associated when this molecule binds to avidin.

14

Invitrogen™ Alexa Fluor™ Plus Amine-Reactive Dyes

Discover Alexa Fluor Plus amine-reactive dyes, the next-generation fluorescent labeling solution. Engineered to minimize nonspecific staining and enhance signal-to-noise ratios, these dyes ensure precise detection of low-abundance targets. Achieve bright, reliable imaging with reduced background interference.

Labeling Target Primary amines
Content And Storage -25°C to 8°C
Format Amine-reactive dye
Product Type Amine-reactive Dye
Formulation Solid
Solubility DMSO
Label Type Alexa Fluor
Product Line Alexa Fluor™
Detection Method Fluorescence
15

Thermo Scientific™ Alexa Fluor™ 420 NHS Ester (Succinimidyl Ester)
GREENER_CHOICE

Alexa Fluor 420 NHS Ester is an amine-reactive dye optimized for multiplex IHC and spatial biology. A long Stokes shift and 420/500 ex/em make it a good match for the CFP filter.