Recombinant Escherichia coli ATP-dependent DNA helicase recG (recG)

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Code CSB-EP326126ENV
MSDS
Size US$388
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
recG
Uniprot No.
Research Area
Others
Alternative Names
recG; radC; b3652; JW3627; ATP-dependent DNA helicase RecG; EC 3.6.4.12
Species
Escherichia coli (strain K12)
Source
E.coli
Expression Region
1-693aa
Target Protein Sequence
MKGRLLDAVPLSSLTGVGAALSNKLAKINLHTVQDLLLHLPLRYEDRTHLYPIGELLPGVYATVEGEVLNCNISFGGRRMMTCQISDGSGILTMRFFNFSAAMKNSLAAGRRVLAYGEAKRGKYGAEMIHPEYRVQGDLSTPELQETLTPVYPTTEGVKQATLRKLTDQALDLLDTCAIEELLPPELSQGMMTLPEALRTLHRPPPTLQLSDLETGQHPAQRRLILEELLAHNLSMLALRAGAQRFHAQPLSANDTLKNKLLAALPFKPTGAQARVVAEIERDMALDVPMMRLVQGDVGSGKTLVAALAALRAIAHGKQVALMAPTELLAEQHANNFRNWFAPLGIEVGWLAGKQKGKARLAQQEAIASGQVQMIVGTHAIFQEQVQFNGLALVIIDEQHRFGVHQRLALWEKGQQQGFHPHQLIMTATPIPRTLAMTAYADLDTSVIDELPPGRTPVTTVAIPDTRRTDIIDRVHHACITEGRQAYWVCTLIEESELLEAQAAEATWEELKLALPELNVGLVHGRMKPAEKQAVMASFKQGELHLLVATTVIEVGVDVPNASLMIIENPERLGLAQLHQLRGRVGRGAVASHCVLLYKTPLSKTAQIRLQVLRDSNDGFVIAQKDLEIRGPGELLGTRQTGNAEFKVADLLRDQAMIPEVQRLARHIHERYPQQAKALIERWMPETERYSNA
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
92.4kDa
Protein Length
Full Length
Tag Info
N-terminal 6xHis-SUMO-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
Plays a critical role in recombination and DNA repair. Helps process Holliday junction intermediates to mature products by catalyzing branch migration. Has a DNA unwinding activity characteristic of a DNA helicase with 3'- to 5'- polarity. Unwinds branched duplex DNA (Y-DNA). Has a role in constitutive stable DNA replication (cSDR) and R-loop formation. Is genetically synergistic to RadA and RuvABC.
Gene References into Functions
  1. results provide mechanistic insights into the modes of interaction of RecG with the replication fork, suggesting a novel role of RecG in the repair of stalled DNA replication forks. PMID: 29432678
  2. Data suggest that RecG and RuvABC catalyze alternative steps in DNA repair/recombination and collaborate to stabilize DNA during repair of double-strand DNA breaks; RecG may prevent DNA amplification at D-loops formed by recombination and at arrested replication forks. (RecG = RecG DNA helicase; Ruv = Holliday junction DNA helicase subunit) [REVIEW] PMID: 28155219
  3. interaction occurs via the wedge domain of RecG and the intrinsically disordered linker (IDL) of SSB, in a manner similar to that of SH3 domains binding to PXXP motif-containing ligands in eukaryotic cells. PMID: 28078722
  4. Once RecG has regressed the fork, it will dissociate leaving the now relaxed, Holliday junction-like DNA, available for further processing by enzymes such as RuvAB. [review] PMID: 25613916
  5. RecG co-localises with sites of DNA replication in Escherichia coli. PMID: 24692661
  6. Abolishing PriB leads to suppression of the recG null phenotype. PMID: 22957744
  7. data are consistent with RecG and ssDNA exonucleases acting to limit PriA-mediated re-replication of the chromosome and the consequent generation of linear DNA branches that provoke recombination and delay chromosome segregation PMID: 20647503
  8. The authors show that the extensive DnaA-independent stable DNA replication observed without RecG can lead to replication of any area of the chromosome. PMID: 19818016
  9. allows repair of damaged replication forks to proceed without recourse to potentially mutagenic recombination PMID: 15516585
  10. Data suggest that the processivity of RecG on branched DNA substrates is dependent on the ability of its wedge domain to establish strong binding at the branch point. PMID: 15695524
  11. Inactivation of recG stimulates recombinant formation about five-fold PMID: 16257588
  12. manner and timing of the interaction of RecG with DNA at stalled replication forks PMID: 17292398
  13. RecG decreases the number of replication forks in UV-irradiated cells by limiting UV-induced, DnaA-independent initiation of replication. PMID: 19538444

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Protein Families
Helicase family, RecG subfamily
Database Links
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