Protein Modification Reagents

MilliporeSigma™ Proteinase K, Lyophilized

Highly active serine protease that exhibits broad cleavage specificity on native and denatured proteins and is widely used in the purification of DNA and RNA

Thermo Scientific Chemicals Papain, Carica Papaya Latex

CAS: 9001-73-4 Synonym: EC 3.4.22.2

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.

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.

Thermo Scientific™ Pierce™ Alkylating Reagents

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

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).

MilliporeSigma™ ALCALASE™ Enzyme, Bacillus licheniformis

Suitable for hydrolysis of proteins

MilliporeSigma™ Aminopeptidase N (CD13), Human Serum

Prepared from human serum that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV

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

MilliporeSigma™ Aminopeptidase M, Porcine Kidney

Useful in peptide sequencing

MilliporeSigma™ Angiotensin Converting Enzyme, His·Tag™, Human, Recombinant, NSO Cells

Type I membrane protein that exists in two isoforms, somatic and germinal

MilliporeSigma™ Angiotensin Converting Enzyme-2, His·Tag™, Human, Recombinant, NSO Cells

Plays important role in regulating cardiovascular and renal functions

2-Mercaptoethanol, For HPLC derivatization (14.3 M), ≥99.0% (GC), MilliporeSigma™ Supelco™

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

Inhibits protein carboxymethyltransferase, induces apoptosis in leukemia U937 cells.

Gibco™ PNGase F Glycan Cleavage Kit  

PNGase F Glycan Cleavage Kit includes all components necessary to perform the enzymatic removal of almost all N-linked oligosaccharides from glycoproteins.