UBE2K Polyclonal Antibody
Datasheet
Catalog Number:
E91086Amount:
100ulBackground:
Protein ubiquitination requires the concerted action of the E1, E2, and E3 ubiquitin-conjugating enzymes. Ubiquitin is first activated through ATP-dependent formation of a thiol ester with ubiquitin-activating enzyme E1. The activated ubiquitin is then transferred to a thiol group of ubiquitin-carrier enzyme E2. The final step is the transfer of ubiquitin from E2 to an ε-amino group of the target protein lysine residue, which is mediated by ubiquitin-ligase enzyme E3 (1). E2-25K (Hip2) is a member of the E2 protein family that catalyzes multiubiquitin chain synthesis via Lys48 of ubiquitin (2). E2-25K is reportedly involved in Alzheimer's disease, Huntington's disease and antigen processing through its interaction with amyloid-β, huntingtin, and MHC-heavy chain proteins (3-5). Lys14 of E2-25K can be modified by SUMOylation, with this modification resulting in inhibited E2 activity (6). Entry of all eukaryotic cells into mitosis is regulated by activation of cdc2 kinase. The critical regulatory step in activating cdc2 during progression into mitosis appears to be dephosphorylation of Tyr15 and Thr14 (1,2). Phosphorylation at Tyr15 and Thr14 and inhibition of cdc2 is carried out by Wee1 and Myt1 protein kinases, while Tyr15 dephosphorylation and activation of cdc2 is carried out by the cdc25 phosphatase (1,3,4). Hyperphosphorylation and inactivation of Myt1 in mitosis suggests that one or more kinases activated at the G2/M transition negatively regulates Myt1 activity. Kinases shown to phosphorylate Myt1 include cdc2, p90RSK, Akt, and Plk1 (5-8).Species:
RabbitIsotype:
IgGStorage/Stability:
Store at -20oC or -80oC. Avoid freeze / thaw cycles. Buffer: PBS with 0.02% sodium azide, 50% glycerol, pH7.3.Altername:
UBE2K;DKFZp564C1216;DKFZp686J24237;E2-25K;HIP2;HYPG;LIG ;Immunogen:
Recombinant protein of human UBE2KPurification:
Affinity purificationReactivity:
H M RApplications:
WB IHCMolecular Weight:
22kDaSwiss-Prot No.:
P61086Gene ID:
3093References:
1. Hershko, A. (1988) J. Biol. Chem. 263, 15237-15240. 2. Chen, Z. and Pickart, C.M. (1990) J. Biol. Chem. 265, 21835-21842. 3. Song, S. et al. (2003) Mol. Cell 12, 553-563. 4. de Pril, R. et al. (2007) Mol. Cell. Neurosci. 34, 10-19. 5. Flierman, D. et al. (2006) Proc. Natl. Acad. Sci. USA 103, 11589-11594. 6. Pichler, A. et al. (2005) Nat. Struct. Mol. Biol. 12, 264-269.
WB 1:500 - 1:2000
IHC 1:50- 1:200
- Western blot analysis of human brain cell lysate using UBE2K antibody.
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