Protein Modification Reagents
Protein Modification Reagents
Thermo Scientific™ Pierce™ Alkylating Reagents
Alkylating reagents provided in single-use, pre-weighed formats to streamline protein preparation workflows.
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.
Thermo Scientific™ Pierce™ TCEP-HCl, No-Weigh™ Format
Reduce protein and peptide disulfide bonds using this thiol-free, pure, crystalline tris (2-carboxyethyl) phosphine hydrochloride, TCEP (CAS 5961-85-3).
Thermo Scientific™ Trypsin, TPCK Treated PROMO
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.
Thermo Scientific™ Immobilized Trypsin, TPCK Treated (Agarose Resin) PROMO
Cleave the carboxyl-side of Arg and Lys residues with trypsin that isTPCK-treated to block chymotrypsin activity, its immobilized form allows enzyme removal after digestion.
Thermo Scientific™ GlycoLink™ Coupling Catalyst
Enhance aldehyde-hydrazide crosslinking efficiency for glycoprotein immobilization and conjugation with analine (CAS 62-53-3) and an optimized buffer system.
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
Thermo Scientific™ Pierce™ DTT (Dithiothreitol), No-Weigh™ Format
Thermo Scientific™ Pierce™ DTT (Dithiothreitol) No-Weigh™ Format is designed for convenient preparation of stocks that will be added to protein samples for effective reduction of disulfide bonds.
Thermo Scientific™ Pierce™ NEM (N-ethylmaleimide)
Small, sulfhydryl-reactive (maleimide) compound to permanently block reduced cysteines of proteins or peptides to prevent disulfide bond formation.
Thermo Scientific™ Pierce™ Iodoacetic Acid
Get rapid carboxymethylation of reduced cysteine residues with Thermo Scientific™ Pierce™ Iodoacetic Acid and Iodoacetamide.
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
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™ 8M Guanidine-HCl Solution
Ready-to-use, 8M solution of guanidinium hydrochloride (GdnCl, GuHCl), CAS 50-01-1; dilute and pH-adjust to any concentration for protein biology methods.
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).
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.