QBD10932
m-dPEG®48-MAL
>95% (HPLC)
Synonym(s):
m-PEG48-MAL, mPEG-maleimide, mPEG2000-maleimide, mPEG48-maleimide
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About This Item
Empirical Formula (Hill Notation):
C104H202N2O51
Molecular Weight:
2296.70
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.22
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Assay
>95% (HPLC)
form
solid or viscous liquid
reaction suitability
reaction type: Pegylations
polymer architecture
shape: linear
functionality: monofunctional
shipped in
ambient
storage temp.
−20°C
Features and Benefits
m-dPEG48-MAL is a thiol-reactive, monodispersed PEGylation reagent used for surface and biomolecule modification. One end of the PEG molecule is methyl-terminated. The opposite end possesses a 3-maleimido propanoic acid functional group that connects to the PEG spacer via an amide bond. The maleimide moiety reacts with sulfhydryl groups by the thiol-Michael addition reaction. The single molecular weight, discrete-length PEG (dPEG) chain is 152 atoms (178.6 Å) long, including the reactive site on the maleimide ring. The dPEG48 is a monodisperse equivalent of the polymeric PEG2000.
Legal Information
Products Protected under U.S. Patent #s 7,888,536 & 8,637,711 and European Patent #s 1,594,440 & 2,750,681
dPEG is a registered trademark of Quanta BioDesign
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Nicholas M Molino et al.
Biomacromolecules, 13(4), 974-981 (2012-03-16)
Self-assembling protein nanocapsules can be engineered for various bionanotechnology applications. Using the dodecahedral scaffold of the E2 subunit from pyruvate dehydrogenase, we introduced non-native surface cysteines for site-directed functionalization. The modified nanoparticle's structural, assembly, and thermostability properties were comparable to
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