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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.
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61 – 75 of 5,669 results
61

MilliporeSigma™ Proteinase K Solution, 600mAU/mL

Efficient removal of proteins from nucleic acid solutions

Content And Storage -20°C
Product Type Proteinase K
62

MP Biomedicals™ 2-Mercaptoethanol, Electrophoresis Grade

2-Mercaptoethanol, Electrophoresis Grade reduces disulfide linkages in solubilizing proteins for gel electrophoresis.

63

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

64

MilliporeSigma™ Endopeptidase Lys-C, Achromobacter lyticus

Specifically hydrolyzes amide and peptide ester bonds at carboxylic side of lysine and S-aminoethylcysteine residues

65

MilliporeSigma™ HRV 3C Protease

Highly efficient fusion tag removal at low temperature

66

MilliporeSigma™ Calbiochem™ Sialyl Lewis x, Sodium Salt

Acts as minimal binding lig for E-selectins.

Content And Storage -20°C
67

MP Biomedicals™ Trypsin, Porcine Pancreas

Typical use for this product is in removing adherent cells from a culture surface. The concentration of trypsin necessary to dislodge cells from their substrate is dependent primarily on the cell type and the age of the culture.

Content And Storage 4°C
Product Type Trypsin
Form Powder
Sample Type Porcine
For Use With (Application) Release adherent cells from tissue culture plates for passaging
69

MilliporeSigma™ Calbiochem™ TPEN

Lipid-soluble heavy metal chelator that crosses artificial and natural membranes

70

Thermo Scientific™ Pierce™ Sulfo-NHS-Acetate

Amine-reactive (NHS ester) compound to permanently block primary amines (e.g., protein lysine side chains) to prevent interactions or later conjugation.

72

MilliporeSigma™ Calbiochem™ 5'-Deoxy-5'-methylthioadenosine

Inhibits protein carboxymethyltransferase, induces apoptosis in leukemia U937 cells.

73

MP Biomedicals™ Protease, from S. aureus strain V8

Used for selective cleavage of proteins for amino acid sequence determination or peptide mapping

Content And Storage -20°C
Product Type Protease
Form Powder
pH Range 4 and 7.8
Sample Type Staphylococcus aureus V8 Strain
For Use With (Application) Used for selective cleavage of Proteins for Amino Acid sequence determination or Peptide mapping
74

MilliporeSigma™ Dipeptidyl Peptidase IV (CD26), Porcine Kidney

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