Recombinant Escherichia coli Alpha-ketoglutarate-dependent dioxygenase AlkB (alkB)

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Code CSB-EP356444ENV
MSDS
Size US$388
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP356444ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) alkB.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP356444ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) alkB.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
alkB
Uniprot No.
Research Area
Epigenetics and Nuclear Signaling
Alternative Names
alkB; aidD; b2212; JW2200Alpha-ketoglutarate-dependent dioxygenase AlkB; EC 1.14.11.33; Alkylated DNA repair protein AlkB; DNA oxidative demethylase AlkB
Species
Escherichia coli (strain K12)
Source
E.coli
Expression Region
1-216aa
Target Protein Sequence
MLDLFADAEPWQEPLAAGAVILRRFAFNAAEQLIRDINDVASQSPFRQMVTPGGYTMSVAMTNCGHLGWTTHRQGYLYSPIDPQTNKPWPAMPQSFHNLCQRAATAAGYPDFQPDACLINRYAPGAKLSLHQDKDEPDLRAPIVSVSLGLPAIFQFGGLKRNDPLKRLLLEHGDVVVWGGESRLFYHGIQPLKAGFHPLTIDCRYNLTFRQAGKKE
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
44.1kDa
Protein Length
Full Length
Tag Info
N-terminal 10xHis-SUMO-tagged and C-terminal Myc-tagged
Form
Liquid or 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
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is 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°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and 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
3-7 business days
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

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Target Background

Function
Dioxygenase that repairs alkylated DNA and RNA containing 3-methylcytosine or 1-methyladenine by oxidative demethylation. Has highest activity towards 3-methylcytosine. Has lower activity towards alkylated DNA containing ethenoadenine, and no detectable activity towards 1-methylguanine or 3-methylthymine. Accepts double-stranded and single-stranded substrates. Requires molecular oxygen, alpha-ketoglutarate and iron. Provides extensive resistance to alkylating agents such as MMS and DMS (SN2 agents), but not to MMNG and MNU (SN1 agents).
Gene References into Functions
  1. SSB-AlkB interaction promotes faster repair of the methyl DNA adducts. PMID: 29326044
  2. AlkB has a wide variety of substrates, including monoalkyl and exocyclic bridged adducts. (Review) PMID: 26152727
  3. AlkB dioxygenase preferentially repairs protonated substrates: specificity against exocyclic adducts and molecular mechanism of action PMID: 23148216
  4. The AlkB dioxygenase plays a major role in decreasing the level of AT-->TA mutations, thus in the repair of Etheno-DNA adducts in E.coli cells. PMID: 21193516
  5. work provides direct evidence that AlkB suppresses both genotoxicity and mutagenesis by physiologically realistic low doses of 1-alkylpurine and 3-alkylpyrimidine DNA damage in vivo PMID: 15381779
  6. AlkB repairs epsilonA and epsilonC genomic lesions. PMID: 16200073
  7. crystal structures of substrate and product complexes of E. coli AlkB at resolutions from 1.8 to 2.3 A PMID: 16482161
  8. AlkB is shown here to be a geno-protective agent that reduces the toxicity of DNA damage by converting the primary adduct to a less toxic secondary product PMID: 17213319
  9. Cocrystal structures provide insight into the structural basis of this "k(cat)/K(m) compensation," which makes a significant contribution to promiscuous substrate recognition by AlkB. PMID: 19706517

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Protein Families
AlkB family
Database Links
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