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Protein Modification Reagents

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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1 – 15 of 119 results
1

Thermo Scientific™ Pierce™ Immobilized TCEP Disulfide Reducing Gel

Efficiently reduce protein or peptide disulfide bonds with this stable, odorless, beaded agarose resin on which Tris (2-carboxyethyl) phosphine is immobilized.

2

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.

3

Thermo Scientific™ Pierce™ Alkylating Reagents

Alkylating reagents provided in single-use, pre-weighed formats to streamline protein preparation workflows.

Product Type Alkylating Reagent
Product Line Pierce™
4

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).

7

Thermo Scientific™ Pierce™ 2-Mercaptoethanol

Pure, liquid (equals 14M), beta-mercaptoethanol (bME, 2BME, 2-ME, b-mer), CAS 60-24-2; thiol reducing agent for cleaving protein disulfide bonds (cystines cysteines).

10

MilliporeSigma™ Aminopeptidase N, Rat

Levels of aminopeptidase N are elevated in cancer subjects and correlate with tumor load, and thus, enzyme is believed to play role in angiogenesis

11

MilliporeSigma™ Calbiochem™ Coenzyme A, Trilithium Salt

Serves as cofactor in enzymatic acetyl transfer reactions

12

MilliporeSigma™ Calbiochem™ Cleland’s Reagent, Molecular Biology Grade

Protective agent for SH groups

Content And Storage 2°C to 8°C
CAS 3483-12-3
Product Type Calbiochem Cleland’s Reagent
Form Crystalline Solid
Molecular Weight (g/mol) 154.24
Solubility EtOH, Water
Purity ≥99% by titration
Synonym 1,4-Dithiothreitol, DTT
Molecular Formula C4H10O2S2
15

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