Protein Modification Reagents
Thermo Scientific™ Pierce™ SAT(PEG)4 (PEGylated N-succinimidyl S-acetylthioacetate)
Long (18.2A), pegylated form of SATA, an amine-reactive (NHS ester) sulfhydryl-addition reagent; contains 4-unit polyethylene glycol spacer arm.
Thermo Scientific™ Staphylococcus aureus V-8 Protease
Specifically cleave only at glutamic acid residues or cleave at both glutamic and aspartic residues with our immobilized Staphylococcus aureus V-8 protease kit.
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™ 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™ 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™ MT(PEG)4 Methyl-PEG-Thiol Compound
MT(PEG)n: methyl and sulfhydryl compound with a 4-unit polyethylene glycol (PEG) spacer; methylate and pegylate quantum dots, gold surfaces, silver.
Thermo Scientific™ Pierce™ SATP (N-succinimidyl-S-acetylthiopropionate)
Short (4.1A), amine-reactive (NHS ester) sulfhydryl-addition reagent; creates stable (protected yet exposable) -SH group for protein crosslinking strategies.
Invitrogen™ DTNB; Ellman's Reagent, 5,5'-Dithiobis-(2-Nitrobenzoic Acid)
DTNB; Ellman's Reagent, 5,5'-Dithiobis-(2-Nitrobenzoic Acid)
Thermo Scientific™ TMS(PEG)12 Branched Methyl-PEG-NHS-Ester Reagent
A three-branched, polyethylene glycol compound (3 times 12 PEG units) activated as an NHS ester for covalent PEGylation of primary amines on proteins or assay surfaces.
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™ Guanidine-HCl
Pure, crystalline guanidium hydrochloride (GdnHCl, GuHCl), CAS 50-01-1; denaturant for protein biology methods (elution, solubilization, refolding, storage).
Thermo Scientific™ Pierce™ Iodoacetic Acid
Get rapid carboxymethylation of reduced cysteine residues with Thermo Scientific™ Pierce™ Iodoacetic Acid and Iodoacetamide.
Invitrogen™ Measure-IT™ Thiol Assay Kit
Provides easy and accurate quantitation of thiol
MilliporeSigma™ Calbiochem™ EDTA, Disodium Salt, Dihydrate, Molecular Biology Grade
Application in Molecular Biology
MilliporeSigma™ Calbiochem™ Cleland’s Reagent, ULTROL™ Grade
Protective agent for SH groups