Protein Modification Reagents

Protein Modification Reagents
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Filtered Search Results

Thermo Scientific™ Pierce™ Immobilized TCEP Disulfide Reducing Gel
Efficiently reduce protein or peptide disulfide bonds with this stable, odorless, beaded agarose resin on which Tris (2-carboxyethyl) phosphine is immobilized.

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.

Content And Storage | Store at -20°C. |
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Product Type | Protease |
Form | Kit |
Product Line | Pierce™ |
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™ 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.

Content And Storage | Upon receipt store product at -20°C protected from moisture. Product is shipped at ambient temperature. |
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Product Type | Amine Compound |
Form | Liquid |
Spacer | 4 ethylene glycol units |
Solubility | Water |
Reactive Moiety | Amine, Primary Amine |
Label Type | Polyethylene Glycol (PEG), Blocking Groups |
Chemical Reactivity | Ketone |
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.

Content And Storage | Store desiccated at 4°C. Shipped at ambient temperature. |
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Product Type | Amine Compound |
Spacer | 4 ethylene glycol units |
Solubility | Water |
Reactive Moiety | Amine, Carboxylic Acid, Primary Amine |
Label Type | Conjugating Groups, Polyethylene Glycol (PEG) |
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.

Content And Storage | Store desiccated at 4°C. Shipped at ambient temperature. |
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Product Type | Amine Compound |
Spacer | 12 ethylene glycol units |
Solubility | Water |
Reactive Moiety | Amine, Carboxylic Acid, Primary Amine |
Label Type | Conjugating Groups, Polyethylene Glycol (PEG) |
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™ 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™ 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™ 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™ 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).

Content And Storage | Store desiccated at -20°C. |
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Product Type | NHS-Ester Reagent |
Spacer | 12 ethylene glycol units |
Solubility | Water |
Reactive Moiety | Active Ester, Succinimidyl Ester, NHS Ester |
Label Type | Polyethylene Glycol (PEG), Blocking Groups |
Chemical Reactivity | Amine |
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™ 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.

Molecular Probes™ Dithiothreitol (DTT)
Dithiothreitol (DTT)


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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Molecular Probes™ DTNB; Ellman's Reagent, 5,5'-Dithiobis-(2-Nitrobenzoic Acid)
DTNB; Ellman's Reagent, 5,5'-Dithiobis-(2-Nitrobenzoic Acid)


Non-distribution item offered as a customer accommodation; additional freight charges may apply.
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