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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).

Brand:  Thermo Scientific™ 22711

Code : PN

Additional Details : CAS Number : 1009-14-9 Weight : 0.80000kg

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Product Code. 11821325

  • £261.00 / 100mg


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Description

Description

MM(PEG)n is the abbreviation for a set of compounds having polyethylene glycol (PEG) spacers with methyl (—CH3) and sulfhydryl-reactive maleimide groups at opposite ends. The unbranched, hydrophilic, discrete-length molecules have the form Methyl-PEGn-Maleimide, where the subscript “n” denotes 12 or 24 ethylene glycol units. The maleimide is spontaneously reactive with sulfhydryl (—SH) groups, providing for efficient PEGylation of proteins, peptides and other cysteine- or thiol-containing molecules.

Highlights:

  • Maleimide-activated for efficient PEGylation of sulfhydryl groups at pH 6.5-7.5; reaction of maleimide group results in formation of stable, irreversible thioether bonds
  • Fully characterized PEGylation reagents with defined PEG chain lengths; molecules of discrete molecular weight for consistency of performance in protein-modification applications
  • Provided with either 12 or 24 ethylene glycol units, enabling modification procedures to be optimized for a specific application while retaining all the benefits associated with protein PEGylation
  • PEG spacer provides unique advantages, including increased stability, reduced tendency toward aggregation and reduced immunogenicity
  • Easy-to-follow instructions increase the likelihood of a successful outcome
Specifications

Specifications

Methyl
No
12-unit ethyleneglycol functionalized with methyl and maleimido ends; solid
Yes
141mL of typical 1X (1mM) reaction solution, or approx. 50 uses at 2mg reagent per use
Sulfhydryl
Pierce MM(PEG)12
710.81
100mg
51.9Å
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