Protein Modification Reagents
Invitrogen™ Thiol and Sulfide Quantitation Kit
Ultrasensitive colorimetric assay for quantifying both protein and nonprotein thiols
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.
Thermo Scientific™ Pierce™ Sodium meta-Periodate
Gently oxidize glycoprotein carbohydrate sugars to create reactive aldehydes (carbonyls) for crosslinking and immobilization using NaIO4 (CAS 7790-28-5).
Thermo Scientific™ MA(PEG)4 Methyl-PEG-Amine Compound
MA(PEG)n: methyl- and amine-capped polyethylene glycol compounds containing 4 to 24 PEG units; use for surface-modification and molecule-pegylation applications.
Thermo Scientific™ CT(PEG)12 Carboxy-PEG-Thiol Compound
CT(PEG)n: carboxylic acid and sulfhydryl compound with a 12-unit polyethylene glycol (PEG) spacer; carboxylate and pegylate quantum dots, gold surfaces, silver.
Thermo Scientific™ Pierce™ MMTS (methyl methanethiosulfonate)
Methyl methanethiosulfonate (CAS 2949-92-0); reversibly blocks cysteines (sulfhydryl groups) to facilitate study of enzyme activation and protein functions.
Thermo Scientific™ MA(PEG)24 Methyl-PEG-Amine Compound
MA(PEG)n: methyl- and amine-capped polyethylene glycol compounds containing 4 to 24 PEG units; use for surface-modification and molecule-pegylation applications.
Thermo Scientific™ MM(PEG)24 Methyl-PEG-Maleimide Reagent
Pegylate sulfhydryls (-SH groups) on proteins (cysteine residues) or assay surfaces using MS(PEG); sulfhydryl-reactive (maleimide), PEG compounds (12 and 24 EG units).
Thermo Scientific™ MA(PEG)12 Methyl-PEG-Amine Compound
MA(PEG)n: methyl- and amine-capped polyethylene glycol compounds containing 4 to 24 PEG units; use for surface-modification and molecule-pegylation applications.
Thermo Scientific™ MS(PEG)8 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).
Thermo Scientific™ Pierce™ HRV 3C Protease Solution Kit (2 units/μL)
Remove fusion tags from proteins with the HRV 3C cleavage sequence with this recombinant cysteine protease that is dual tagged for easy removal from the sample after cleavage.
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.
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™ 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).
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.