Recombinant Human Ubiquitin-conjugating enzyme E2 K(UBE2K)

Code CSB-YP025460HU
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Source Yeast
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Code CSB-EP025460HU
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Source E.coli
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Code CSB-EP025460HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP025460HU
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Source Baculovirus
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Code CSB-MP025460HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names UBE2K
Uniprot No. P61086
Alternative Names E2 25K; E2(25K); HIP-2; Huntingtin interacting protein 2; Huntingtin-interacting protein 2; HYPG; LIG; UBC1; UBE2K; UBE2K_HUMAN; Ubiquitin carrier protein; Ubiquitin conjugating enzyme E2 25 kDa; ubiquitin conjugating enzyme E2K; ubiquitin conjugating enzyme E2K (UBC1 homolog, yeast); Ubiquitin protein ligase; Ubiquitin-conjugating enzyme E2 K; Ubiquitin-conjugating enzyme E2(25K); Ubiquitin-conjugating enzyme E2-25 kDa; Ubiquitin-conjugating enzyme E2-25K; Ubiquitin-protein ligase
Species Homo sapiens (Human)
Expression Region 2-200
Target Protein Sequence ANIAVQRIK REFKEVLKSE ETSKNQIKVD LVDENFTELR GEIAGPPDTP YEGGRYQLEI KIPETYPFNP PKVRFITKIW HPNISSVTGA ICLDILKDQW AAAMTLRTVL LSLQALLAAA EPDDPQDAVV ANQYKQNPEM FKQTARLWAH VYAGAPVSSP EYTKKIENLC AMGFDRNAVI VALSSKSWDV ETATELLLSN
Protein Length Full Length of Mature Protein
Tag Info The following tags are available.
N-terminal His-tagged
Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Background

Function
Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. In vitro, in the presence or in the absence of BRCA1-BARD1 E3 ubiquitin-protein ligase complex, catalyzes the synthesis of 'Lys-48'-linked polyubiquitin chains. Does not transfer ubiquitin directly to but elongates monoubiquitinated substrate protein. Mediates the selective degradation of short-lived and abnormal proteins, such as the endoplasmic reticulum-associated degradation (ERAD) of misfolded lumenal proteins. Ubiquitinates huntingtin. May mediate foam cell formation by the suppression of apoptosis of lipid-bearing macrophages through ubiquitination and subsequence degradation of p53/TP53. Proposed to be involved in ubiquitination and proteolytic processing of NF-kappa-B; in vitro supports ubiquitination of NFKB1. In case of infection by cytomegaloviruses may be involved in the US11-dependent degradation of MHC class I heavy chains following their export from the ER to the cytosol. In case of viral infections may be involved in the HPV E7 protein-dependent degradation of RB1.
Gene References into Functions
  1. The crystal structure of a Ube2K~ubiquitin conjugate has been described, and it was shown that even though it is monomeric, Ube2K can synthesize Lys48-linked ubiquitin chains. PMID: 26592444
  2. Hip2, a ubiquitin-conjugating enzyme, can overcome radiation-induced G2/M cell cycle arrest and trigger the entry into mitosis. PMID: 23933584
  3. An extract of bark from the tropical rainforest plant Byrsonima crassifolia was screened for inhibition of diubiquitin formation by the human ubiquitin-conjugating enzyme E2-25K. PMID: 22164771
  4. one of the roles of the C-terminal UBA domain, in the context of E2-25K, is to increase processivity in Lys48-linked polyubiquitin chain synthesis, possibly through increased binding to the ubiquitinated substrate. PMID: 21281599
  5. Results suggest that the interaction between E2-25K and UBB(+1) is critical for the synthesis and accumulation of UBB(+1)-anchored polyubiquitin, which results in proteasomal inhibition and neuronal cell death. PMID: 20826778
  6. This study suggests that Hip2 might be involved in the regulation of Smac-mediated apoptosis. PMID: 20537984
  7. Results suggest that in permeabilized, US11-expressing cells polyubiquitination of the MHC class I heavy chain substrate can be catalyzed by E2-25K. PMID: 16868077
  8. E2-25K is involved in aggregate formation of expanded polyglutamine proteins and polyglutamine-induced cell death. PMID: 17092742

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Subcellular Location Cytoplasm.
Protein Families Ubiquitin-conjugating enzyme family
Tissue Specificity Expressed in all tissues tested, including spleen, thymus, prostate, testis, ovary, small intestine, colon, peripheral blood leukocytes, T-lymphocytes, monocytes, granulocytes and bone marrow mononuclear cells. Highly expressed in brain, with highest leve
Database Links

HGNC: 4914

OMIM: 602846

KEGG: hsa:3093

STRING: 9606.ENSP00000261427

UniGene: Hs.50308

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