accessibility menu, dialog, popup

UserName

Protein Modification Reagents

Chemical agents used to modify the amino acid side chains of proteins in order to alter their native charges, block or expose reactive binding sites, inactivate functional groups, and change functional groups to create targets for crosslinking and labeling.
Product Type 
  • (1)
  • (2)
  • (7)
  • (3)
  • (2)
  • (2)
  • (11)
  • (1)
Chemical Reactivity 
  • (2)
  • (14)
  • (1)
  • (2)
  • (1)
  • (5)
Spacer 
  • (7)
  • (4)
  • (4)
  • (1)
  • (1)
  • (2)
  • (5)
Crosslinker Type 
  • (4)
Molecular Weight (g/mol) 
  • (2)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

brands

  • (2)
  • (1)
  • (7)
  • (4)
  • (3)
  • (54)
  • (19)
  • (66)
  • (5)

Product Type

  • (1)
  • (2)
  • (7)
  • (3)
  • (2)
  • (2)
  • (11)
Show all

Chemical Reactivity

  • (2)
  • (14)
  • (1)
  • (2)
  • (1)
  • (5)

Spacer

  • (7)
  • (4)
  • (4)
  • (1)
  • (1)
  • (2)
  • (5)

Crosslinker Type

  • (4)

Molecular Weight (g/mol)

  • (2)
Keyword Search:
1 – 15 of 121 results
2

Thermo Scientific™ DTNB (Ellman's Reagent) (5,5-dithio-bis-(2-nitrobenzoic acid)

Measure peptide cysteines or other free, reduced sulfhydryls (-SH groups) in solution using this thiol-reactive, colored compound (Amax 412nm).

3

Thermo Scientific™ Pierce™ DTT (Dithiothreitol)

Reduce disulfides in biological buffers and sample loading buffers with pure, crystalline dithiothreitol (DTT), the most popular protein disulfide reducing agent.

4

Thermo Scientific™ Trypsin, TPCK Treated

Thermo Scientific Pierce TPCK Trypsin is a serine endoprotease that is applicable to amino acid analysis and protein sequencing, mapping and structural studies; the immobilized form allows sample separation after treatment.

5

Thermo Scientific™ Pierce™ Traut's Reagent (2-iminothiolane)

2-Iminothiolane-HCl (CAS 4781-83-3); an amine-reactive thiolation reagent to cap protein primary amines with sulfhydryl groups for immediate crosslinking.

6

Thermo Scientific™ MA(PEG)12 Methyl-PEG-Amine Compound

MA(PEG)n: methyl- and amine-capped polyethylene glycol compounds containing 4 to 24 PEG units; use for surface-modification and molecule-pegylation applications.

Content And Storage Upon receipt store product at -20°C protected from moisture. Product is shipped at ambient temperature.
Product Type Amine Compound
Form Solid
Spacer 12 ethylene glycol units
Solubility Water
Reactive Moiety Amine, Primary Amine
Label Type Polyethylene Glycol (PEG), Blocking Groups
Chemical Reactivity Aldehyde
7

Thermo Scientific™ CA(PEG)8 Carboxy-PEG-Amine Compound

CA(PEG)n: pegylated amino acids of the form carboxy-PEG-amine; with 4 to 24 polyethylene glycol units; for surface- and molecule-pegylation applications.

Content And Storage Store desiccated at 4°C. Shipped at ambient temperature.
Product Type Amine Compound
Spacer 8 ethylene glycol units
Solubility Water
Reactive Moiety Amine, Carboxylic Acid, Primary Amine
Label Type Conjugating Groups, Polyethylene Glycol (PEG)
8

Thermo Scientific™ CA(PEG)24 Carboxy-PEG-Amine Compound

CA(PEG)n: pegylated amino acids of the form carboxy-PEG-amine; with 4 to 24 polyethylene glycol units; for surface- and molecule-pegylation applications.

Content And Storage Store desiccated at 4°C. Shipped at ambient temperature.
Product Type Amine Compound
Spacer 24 ethylene glycol units
Solubility Water
Reactive Moiety Amine, Carboxylic Acid, Primary Amine
Label Type Conjugating Groups, Polyethylene Glycol (PEG)
9

Thermo Scientific™ Pierce™ Hydroxylamine-HCl

NH2OH (CAS 7803-49-8) to cleave Asn-Gly peptide bonds or deprotect sulfhydryls following S-acetylthioacetate modification with SATA reagent.

10

MilliporeSigma™ Dipeptidylpeptidase IV, His·Tag™, Human, Recombinant, S. frugiperda

Inhibition of DPPIV has been reported to be effective treatment for type II diabetes

11

MilliporeSigma™ Dipeptidyl Peptidase IV (CD26), Porcine Kidney

Inhibition of DPPIV has been reported to be effective treatment for type II diabetes

14

MilliporeSigma™ Endoproteinase Asp-N, Excision Grade, Pseudomonas fragi

Designed for protein sequencing or sequence verification, analysis of protein structural domains, and cleavage of fusion proteins

15

MilliporeSigma™ Endoproteinase Glu-C, Excision Grade, Staphylococcus aureus

Serine protease that specifically hydrolyzes peptide bonds at carboxylic side of glutamic acid and aspartic acid residues