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900572

Sigma-Aldrich

Biotinylated isoxazole

95%

Synonym(s):

6-(5-(Thiophen-2-yl)isoxazole-3-carboxamido)hexyl 5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoate, B-Isox, B-isox

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About This Item

Empirical Formula (Hill Notation):
C24H32N4O5S2
CAS Number:
Molecular Weight:
520.66
MDL number:
UNSPSC Code:
12352108
NACRES:
NA.22

Quality Level

Assay

95%

form

powder or crystals

Application

When exposed to cells or tissue lysates, biotinylated isoxazole (b-isox) was shown to precipitate RNA-binding proteins with significant overlap to the components of RNA granules. By reversibly aggregating and disaggregating structures similar to RNA granules, b-isox has lent insight to polypeptides necessary for the reversible aggregation of RNA-binding proteins.

This product was previously listed as T511617.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Phosphorylation-regulated binding of RNA polymerase II to fibrous polymers of low-complexity domains.
Kwon I, et al.
Cell, 155(5), 1049-1060 (2013)
Cell-free formation of RNA granules: bound RNAs identify features and components of cellular assemblies.
Han T W, et al.
Cell, 149(4), 768-779 (2012)
Ilmin Kwon et al.
Science (New York, N.Y.), 345(6201), 1139-1145 (2014-08-02)
Many RNA regulatory proteins controlling pre-messenger RNA splicing contain serine:arginine (SR) repeats. Here, we found that these SR domains bound hydrogel droplets composed of fibrous polymers of the low-complexity domain of heterogeneous ribonucleoprotein A2 (hnRNPA2). Hydrogel binding was reversed upon

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