Protein Modification Reagents
MilliporeSigma™ Calbiochem™ Cleland’s Reagent, Molecular Biology Grade
Protective agent for SH groups
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™ Proteinase K Powder (≥30 U/mg)
Cleave at the carboxyl-side of aliphatic, aromatic or hydrophobic residues and digest-inactivate DNase and RNase in nucleic acid purification using this protease.
Thermo Scientific™ MS(PEG)12 Methyl-PEG-NHS-Ester Reagent
Pegylate amines (-NH2 groups) on proteins (lysine residues) or assay surfaces using MS(PEG)n, amine-reactive (NHS ester), methyl-capped PEG compounds (4 to 24 EG units).
MilliporeSigma™ Calbiochem™ Cerulenin, Cephalosporium caerulens
Inhibits sterol fatty acid biosynthesis.
MilliporeSigma™ Calbiochem™ 5'-Deoxy-5'-methylthioadenosine
Inhibits protein carboxymethyltransferase, induces apoptosis in leukemia U937 cells.
Thermo Scientific™ CA(PEG)4 Carboxy-PEG-Amine Compound
CA(PEG)n: pegylated amino acids of the form carboxy-PEG-amine; with 4 to 24 polyethylene glycol units; for surface- and molecule-pegylation applications.
Thermo Scientific™ Pierce™ Immobilized Reductant Column, 2 mL
Efficiently reduce protein or peptide disulfide bonds with this reusable column on with an immobilized thiol-based reducing agent for solid-phase disulfide bond reduction.
MilliporeSigma™ Calbiochem™ N-Glycolylneuraminic Acid
Formed by action of CMP-Neu5Ac hydroxylase.
Thermo Scientific Chemicals Pepstatin A, 98%
CAS: 26305-03-3
MilliporeSigma™ Angiotensin Converting Enzyme-2, His·Tag™, Human, Recombinant, NSO Cells
Plays important role in regulating cardiovascular and renal functions
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
MilliporeSigma™ β-Lactamase, Bacillus cereus 569/H9
Useful for assaying penicillins and cephalosporins
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.
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.