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Thermo Scientific™ EZ-Link™ Maleimide-PEG2-Biotin


Biotinylate reduced cysteines with this short, maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a 2-unit PEG spacer arm to enhance water solubility.

Manufacturer: thermo scientific™  21901

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Catalog No. PI21901

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Description & Specifications

Specifications

Chemical Reactivity Sulfhydryl
Cleavable No
Description EZ-Link Maleimide-PEG2-Biotin
Formulation Maleimide-activated biotin with diethyleneglycol spacer
Molecular Weight 525.62
Membrane Permeable No
PEGylated Yes
Spacer Arm Length 29.1
Quantity 50mg
Sufficient For Approx. 25 uses to label a total of 634mg of IgG using typical conditions
Water Soluble Yes

Thermo Scientific™ EZ-Link Maleimide-PEG&subscript_2;-Biotin is a mid-length, maleimide-activated, sulfhydryl-reactive biotinylation reagent that contains a 2-unit ethylene glycol in its spacer arm for increased water-solubility characteristics.

Highlights:

  • Water-soluble; contains polyethylene glycol (PEG) spacer arm
  • Reacts with sulfhydryl (-SH) groups at acidic to neutral pH
  • Transfers hydrophilic PEG spacer arm to final conjugate
  • Forms a thioether bond