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K11-linked Tri-Ubiquitin

Substrate for defined length polyubiquitination
Catalog #: 6422

Product Details

Cat # +Size 6422-50
Size 50 μg
Appearance Liquid
Physical Form Description 2.5 mg/ml in 20 mM Tris-HCl, pH 7.5, 0.15 M NaCl and 1 mM EDTA.
Molecular Weight 25.656 kDa (Band migrates faster on gels)
Purity by SDS-PAGE ≥95%
Handling Centrifuge the vial prior to opening.
Storage Conditions -80°C
Shipping Conditions Dry Ice
USAGE For Research Use Only! Not to be used in humans


Increasingly, researchers are focusing on the role poly-ubiquitin chains linked through K11. This post-translational modification has been linked to the ERAD cycle as a signal, similar to K48 linkage, for proteasomal degradation. More recently, K11 linkage appears to play an important role in cell cycle signaling, as it is associated with the anaphase promoting complex (APC) of ubiquitination machinery. These tri-ubiquitin chains are generated from the enzymatic linkage (UBE2S) of wild-type ubiquitin through lysine 11 and purified to >95% homogeneity by ion exchange chromatography.

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