Protein Modification Reagents

Thermo Scientific™ Pierce™ Hydroxylamine-HCl

Thermo Scientific™ Pierce™ Hydroxylamine-HCl

NH2OH (CAS 7803-49-8) to cleave Asn-Gly peptide bonds or deprotect sulfhydryls following S-acetylthioacetate modification with SATA reagent.

Thermo Scientific™ Proteinase K Powder (≥30 U/mg)

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™ Premium Grade TCEP-HCl

Thermo Scientific™ Pierce™ Premium Grade TCEP-HCl

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this disulfide reducing agent.

Thermo Scientific™ TMS(PEG)12 Branched Methyl-PEG-NHS-Ester Reagent

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™ Immobilized Ficin (Agarose Resin)

Thermo Scientific™ Immobilized Ficin (Agarose Resin)

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

Thermo Scientific™ MT(PEG)4 Methyl-PEG-Thiol Compound

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™ Traut's Reagent (2-iminothiolane)

Thermo Scientific™ Pierce™ Traut's Reagent (2-iminothiolane)

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™ GlycoLink™ Coupling Catalyst

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™ Tryptic Digestion Kits

Thermo Scientific™ Tryptic Digestion Kits

Improve peptide digest quality and sensitivity of MS detection using thesw Thermo Scientific Digestion Kits for efficient and reproducible preparation of peptide digests.

Thermo Scientific™ CA(PEG)4 Carboxy-PEG-Amine Compound

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™ CA(PEG)8 Carboxy-PEG-Amine Compound

Thermo Scientific™ CA(PEG)8 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™ CA(PEG)24 Carboxy-PEG-Amine Compound

Thermo Scientific™ CA(PEG)24 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™ NeuCode™ Lysine-080

Thermo Scientific™ NeuCode™ Lysine-080

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

Thermo Scientific™ Pierce™ 2-Mercaptoethanol

Thermo Scientific™ Pierce™ 2-Mercaptoethanol

Pure, liquid (equals 14M), beta-mercaptoethanol (bME, 2BME, 2-ME, b-mer), CAS 60-24-2; thiol reducing agent for cleaving protein disulfide bonds (cystines cysteines).

Thermo Scientific™ Guanidine-HCl

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™ POROS™ MabCapture™ A/G Select Resin

Thermo Scientific™ POROS™ MabCapture™ A/G Select Resin

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™ SATP (N-succinimidyl-S-acetylthiopropionate)

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.

Thermo Scientific™ MS(PEG)24 Methyl-PEG-NHS-Ester Reagent

Thermo Scientific™ MS(PEG)24 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™ Mass Spectrometry Grade Proteases

Thermo Scientific™ Mass Spectrometry Grade Proteases

Improve sequence coverage and protein identification for mass spectrometry with high-quality, MS-grade proteases provided in stable liquid or lyophilized formats. Suitable for either in-solution or in-gel digestion workflows, each protease may be used individually or in combination to improve protein sequence coverage.

Thermo Scientific™ TMT10plex™ Isobaric Label Reagents and Kits

Thermo Scientific™ TMT10plex™ Isobaric Label Reagents and Kits

TMT10plex Isobaric Label Reagents and Kits contain ten isobaric compounds with the same mass and chemical structure (i.e., isotopomeric) composed of an amine-reactive NHS-ester group, a spacer arm, and a mass reporter.

Thermo Scientific™ CA(PEG)12 Carboxy-PEG-Amine Compound

Thermo Scientific™ CA(PEG)12 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™ MM(PEG)24 Methyl-PEG-Maleimide Reagent

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™ MS(PEG)12 Methyl-PEG-NHS-Ester Reagent

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™ Pierce™ Mercaptoethylamine-HCl

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.

Thermo Scientific™ Staphylococcus aureus V-8 Protease

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.

Thermo Scientific™ Pierce™ Sulfhydryl Addition Kit

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™ MS(PEG)4 Methyl-PEG-NHS-Ester Reagent

Thermo Scientific™ MS(PEG)4 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™ MM(PEG)12 Methyl-PEG-Maleimide Reagent

Thermo Scientific™ MM(PEG)12 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™ Urea

Thermo Scientific™ Urea

Pure, crystalline urea (CH4N2O), CAS 57-13-6; denaturant with low UV-absorptivity for protein biology methods (elution, solubilization, refolding, storage).

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