Protein Modification Reagents

Thermo Scientific™ POROS™ MabCapture™ A/G Select

MabCapture A/G Select allows antibody purification with high dynamic binding performance at low linear flow rates and maintains superior binding capacity at high linear flow rates

Thermo Scientific™ Pierce™ Immobilized Ficin

Enable controlled antibody fragmentation, especially of mouse IgG1, with this sulfhydryl-specific ficin protease immobilized onto beaded agarose resin.

Thermo Scientific™ Pierce™ Carboxy-PEG-Amine Compounds

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™ Carboxy-PEG-Thiol Compounds

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™ Methyl-PEG-NHS-Ester Reagents

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™ Cysteine·HCl

Make sulfhydryl assay standards or perform protein refolding experiments using this pure, crystalline cysteine hydrochloride (Cys-HCl) CAS 52-89-1.

Thermo Scientific™ Pierce™ Proteases for Mass Spectrometry

Improve sequence coverage and protein identification for mass spectrometry using these individual, highly specific proteases in custom combinations.

Thermo Scientific™ Pierce™ Sulfhydryl Addition Kit

Modify protein primary amines to create free sulfhydryl groups for labeling, crosslinking or immobilization techniques; complete kit with SATA reagent and hydroxylamine.

Thermo Scientific™ Pierce™ Methyl-PEG-Lipoamide Compounds

ML(PEG)n: methyl and bidentate thiol compound with a 4-unit polyethylene glycol (PEG) spacer; methylate and pegylate quantum dots, gold surfaces, silver.

Thermo Scientific™ Pierce™ Proteinase K

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™ Immobilized Papain

Generate and purify Fab fragments from antibodies with cysteine-endopeptidase papain immobilized onto beaded agarose resin.

Thermo Scientific™ POROS™ MabCapture™ G Select

MabCapture G Select antibody affinity purification resin provides high dynamic binding at low linear flow rates and maintains superior binding capacity at high linear flow rates

Thermo Scientific™ Pierce™ Staphylococcus aureus V-8 Protease and Kt

Specifically cleave only at glutamic acid residues or cleave at both glutamic and aspartic residues with our immobilized Staphylococcus aureus V-8 protease kit.

Thermo Scientific™ Pierce™ 2-Mercaptoethylamine·HCl

Pure, crystalline 2-aminoethanethiol (2-MEA-HCl, also called cysteamine-HCl), CAS 156-57-0; selectively reduces antibody hinge-region disulfide bonds.

Thermo Scientific™ Pierce™ TFCS

Modify proteins by adding a 7-atom spacer arm with this amine-reactive (NHS ester) compound; the terminal trifluoroacetyl group can be removed to expose a new primary amine.

Thermo Scientific™ Pierce™ Carboxy-PEG-Lipoamide Compounds

CL(PEG)n: carboxylic acid and bidentate thiol compound with a 4-unit polyethylene glycol (PEG) spacer; carboxylate and pegylate quantum dots, gold surfaces, silver.

Thermo Scientific™ Pierce™ Protein A/G Plus Agarose

Thermo Scientific Pierce Protein A/G Plus Agarose is an exceptionally high-capacity Protein A/G beaded agarose resin for use in a variety of antibody affinity purification methods

Thermo Scientific™ Pierce™ Methyl-PEG-Maleimide Reagents

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™ Pierce™ Guanidine·HCl

Pure, crystalline guanidium hydrochloride (GdnHCl, GuHCl), CAS 50-01-1; denaturant for protein biology methods (elution, solubilization, refolding, storage).

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.

Thermo Scientific™ POROS™ MabCapture™ A Select

MabCapture A Select a monoclonal antibody purification resin provides high dynamic binding at low linear flow rates and maintains superior binding capacity at high linear flow rates

Thermo Scientific™ Pierce™ Traut's Reagent

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™ Pierce™ Immobilized Pepsin

Generate and purify Fab and F(ab')2 fragments from antibodies with acidic endopeptidase (pepsin) immobilized onto beaded agarose resin.

Thermo Scientific™ POROS™ MabCapture™ A/G Select

MabCapture A/G Select allows antibody purification with high dynamic binding performance at low linear flow rates and maintains superior binding capacity at high linear flow rates

Thermo Scientific™ Pierce™ EMCA

Permanently cap protein or peptide cysteines with carboxyl groups (make caproic acid derivatives) using this sulfhydryl-reactive (maleimide) compound.

Thermo Scientific™ Pierce™ Methyl-PEG-Amine Compounds

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™ NeuCode™ Lysine-080 Protein Sample Preparation Kit

Increase the level of multiplexing achievable with NeuCode™ amino acids for the metabolic labeling of proteins for mass spectrometry analysis.

Thermo Scientific™ Pierce™ SAT(PEG)4

Long (18.2A), pegylated form of SATA, an amine-reactive (NHS ester) sulfhydryl-addition reagent; contains 4-unit polyethylene glycol spacer arm.

Thermo Scientific™ Pierce™ N-Ethylmalemde (NEM)

Small, sulfhydryl-reactive (maleimide) compound to permanently block reduced cysteines of proteins or peptides to prevent disulfide bond formation.

Thermo Scientific™ Pierce™ MMTS

Methyl methanethiosulfonate (CAS 2949-92-0); reversibly blocks cysteines (sulfhydryl groups) to facilitate study of enzyme activation and protein functions.

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