Protein Modification Reagents
Protein Modification Reagents
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Filtered Search Results
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™ 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.
Molecular Probes™ Tris-(2-Carboxyethyl)phosphine, Hydrochloride (TCEP)
Tris-(2-Carboxyethyl)phosphine, Hydrochloride (TCEP)
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™ 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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Description | Pierce CA(PEG)4 |
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™ MA(PEG)8 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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Description | Pierce MA(PEG)8 |
Product Type | Amine Compound |
Form | Solid |
Spacer | 8 ethylene glycol units |
Solubility | Water |
Reactive Moiety | Amine, Primary Amine |
Label Type | Polyethylene Glycol (PEG), Blocking Groups |
Chemical Reactivity | Aldehyde |
Thermo Scientific™ Pierce™ Cysteine-HCl
Make sulfhydryl assay standards or perform protein refolding experiments using this pure, crystalline cysteine hydrochloride (Cys-HCl).
CAS | 26305-03-3 |
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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™ 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.
Content And Storage | Upon receipt store product at -20°C protected from moisture. Product is shipped at ambient temperature. |
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Description | Pierce MA(PEG)12 |
Product Type | Amine Compound |
Form | Solid |
Spacer | 12 ethylene glycol units |
Solubility | Water |
Reactive Moiety | Amine, Primary Amine |
Label Type | Polyethylene Glycol (PEG), Blocking Groups |
Chemical Reactivity | Aldehyde |
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™ Pierce™ Cell Surface Biotinylation and Isolation Kit
The Thermo Scientific Pierce Cell Surface Protein Biotinylation and Isolation Kit enables the selective biotinylation, solubilization, and enrichment of plasma membrane proteins.
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.
Invitrogen™ Thiol and Sulfide Quantitation Kit
Ultrasensitive colorimetric assay for quantifying both protein and nonprotein thiols
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.