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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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Keyword Search:
46 – 60 of 5,669 results
46

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.

47

Thermo Scientific™ Immobilized Pepsin (Agarose Resin)

Generate and purify Fab and F(ab')2 fragments from antibodies with acidic endopeptidase (pepsin) immobilized onto beaded agarose resin.

48

MP Biomedicals™ Pepsin

From porcine stomach mucosa

Content And Storage 0°C
Product Type Pepsin
Form Lyophilized
pH Range 1 to 3.5
Sample Type Porcine Stomach Mucosa
For Use With (Application) Used to digest Proteins and is commonly used in the preparation of Fab fragments from Antibodies
50

Thermo Scientific Chemicals Trypsin, bovine pancreas

CAS: 7-7-9002 Molecular Formula: C35H47N7O10 Synonym: EC 3.4.21.4; Peptidyl peptide hydrolase

CAS 7-7-9002
Synonym EC 3.4.21.4; Peptidyl peptide hydrolase
Molecular Formula C35H47N7O10
51

Thermo Scientific™ Staphylococcus aureus V-8 Protease

Specifically cleave only at glutamic acid residues or cleave at both glutamic and aspartic residues with our immobilized Staphylococcus aureus V-8 protease kit.

52

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
53

Thermo Scientific Chemicals Trypsin, porcine pancreas

CAS: 7-7-9002 Molecular Formula: C35H47N7O10 Synonym: EC 3.4.21.4; Trypsin IV porcine

CAS 7-7-9002
Synonym EC 3.4.21.4; Trypsin IV porcine
Molecular Formula C35H47N7O10
54

Thermo Scientific™ Pierce™ Mercaptoethylamine-HCl

Pure, crystalline 2-aminoethanethiol (2-MEA-HCl, also called cysteamine-HCl), CAS 156-57-0; selectively reduces antibody hinge-region disulfide bonds.

55

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.

56

MilliporeSigma™ Calbiochem™ Cleland’s Reagent

Protective agent for SH groups

Content And Storage 2°C to 8°C
CAS 12-3-3483
Product Type Calbiochem Cleland’s Reagent
Form Powder
Molecular Weight (g/mol) 154.24
Solubility EtOH, Water
Purity ≥97% by titration
Synonym DTT, Dithiothreitol
Molecular Formula C4H10O2S2
57

MP Biomedicals™ Protease (S. Aureus) V.8

Protease (S. Aureus) V.8, also called endoproteinase Glu-C, Glu-C protease, staphylococcal serine proteinase. Widely used for protein sequencing, this enzyme specifically cleaves peptide bonds on the COOH terminal side of either aspartic or glutamic acids.

59

MilliporeSigma™ Endoproteinase Lys-C, Sequencing Grade, Lysobacter enzymogenes

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