Protein Modification Reagents
Thermo Scientific™ Cisteina·HCl Pierce™
Make sulfhydryl assay standards or perform protein refolding experiments using this pure, crystalline cysteine hydrochloride (Cys-HCl).
Thermo Scientific™ Papaina immobilizzata Pierce™
Generate and purify Fab fragments from antibodies with cysteine-endopeptidase papain immobilized onto beaded agarose resin.
Thermo Scientific™ Reagente di Traut Pierce™
2-Iminothiolane-HCl (CAS 4781-83-3); an amine-reactive thiolation reagent to cap protein primary amines with sulfhydryl groups for immediate crosslinking.
Thermo Scientific™ Proteinasi K Pierce™
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™ Pierce™ Sulfo-NHS-Acetate
Amine-reactive (NHS ester) compound to permanently block primary amines (e.g., protein lysine side chains) to prevent interactions or later conjugation.
Thermo Scientific™ Pepsina immobilizzata Pierce™
Generate and purify Fab and F(ab')2 fragments from antibodies with acidic endopeptidase (pepsin) immobilized onto beaded agarose resin.
Thermo Scientific™ Gel a TCEP immobilizzato riducente il disolfuro Pierce™
Efficiently reduce protein or peptide disulfide bonds with this stable, odorless, beaded agarose resin on which Tris (2-carboxyethyl) phosphine is immobilized.
Thermo Scientific™ Soluzione di guanidina·HCl Pierce™ 8M
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™ Pierce™ Alkylating Reagents
Alkylating reagents provided in single-use, pre-weighed formats to streamline protein preparation workflows.
Thermo Scientific™ Urea
Pure, crystalline urea (CH4N2O), CAS 57-13-6; denaturant with low UV-absorptivity for protein biology methods (elution, solubilization, refolding, storage).
Thermo Scientific™ DTNB Pierce™ (reagente di Ellman)
Measure peptide cysteines or other free, reduced sulfhydryls (-SH groups) in solution using this thiol-reactive, colored compound (Amax 412nm).
Thermo Scientific™ Tripsina TPCK e resina Pierce™
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™ DTT (Ditiotreitolo) Pierce™
Reduce disulfides in biological buffers and sample loading buffers with pure, crystalline dithiothreitol (DTT), the most popular protein disulfide reducing agent.