UB226H: UBE2A, His6


SKU: UB-226H Category: Tags: ,


UBE2A is an E2 conjugation enzyme that is involved in the ubiquitylation of target substrates, along with E1 and E3 enzymes. UBE2A is a substrate for cyclin-dependent kinase 2 with phosphorylation of Ser120, dramatically increasing ubiquitin conjugating activity.  During the cell cycle, peak phosphorylation of UBE2A coincides with peak ubiquitylation of histone H2B. Ubiquitylated H2B stimulates methylation of lysine 4 of histone H3. UBE2A and B are also involved in DNA lesion repair via recruitment of alternative polymerases to DNA. UBE2A has been implicated in regulating the ubiquitylation of aggregating proteins along with UBE2K and UBE2D2.


Species Human
Source E. coli
Tag His6
Molecular Weight 18,309.5 Da
Quantity 0.8 nmol, 3.0 nmol
Concentration 40 µM
Formulation 50 mM Tris pH 7.5, 150 mM NaCl, 10 mM DTT, 10% glycerol
Storage -80°C, avoid freeze/thaw cycles

Additional information


0.8 nmol, 3 nmol


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  • Identify cognate E2/E3 pairs
  • Characterize upregulation/downregulation of E2 enzymes
  • Build poly-ubiquitin chains
  • Characterize ubiquitin chain specificity of E2 enzymes
  • Analyze expression of E2 enzymes


  • Untagged (native) E2 conjugation enzyme