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

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Code CSB-RP095644Ba
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
rep
Uniprot No.
Research Area
Others
Alternative Names
rep; b3778; JW5604; ATP-dependent DNA helicase Rep; EC 3.6.4.12
Species
Escherichia coli (strain K12)
Source
E.coli
Expression Region
1-673aa
Target Protein Sequence
MRLNPGQQQAVEFVTGPCLVLAGAGSGKTRVITNKIAHLIRGCGYQARHIAAVTFTNKAAREMKERVGQTLGRKEARGLMISTFHTLGLDIIKREYAALGMKANFSLFDDTDQLALLKELTEGLIEDDKVLLQQLISTISNWKNDLKTPSQAAASAIGERDRIFAHCYGLYDAHLKACNVLDFDDLILLPTLLLQRNEEVRKRWQNKIRYLLVDEYQDTNTSQYELVKLLVGSRARFTVVGDDDQSIYSWRGARPQNLVLLSQDFPALKVIKLEQNYRSSGRILKAANILIANNPHVFEKRLFSELGYGAELKVLSANNEEHEAERVTGELIAHHFVNKTQYKDYAILYRGNHQSRVFEKFLMQNRIPYKISGGTSFFSRPEIKDLLAYLRVLTNPDDDSAFLRIVNTPKREIGPATLKKLGEWAMTRNKSMFTASFDMGLSQTLSGRGYEALTRFTHWLAEIQRLAEREPIAAVRDLIHGMDYESWLYETSPSPKAAEMRMKNVNQLFSWMTEMLEGSELDEPMTLTQVVTRFTLRDMMERGESEEELDQVQLMTLHASKGLEFPYVYMVGMEEGFLPHQSSIDEDNIDEERRLAYVGITRAQKELTFTLCKERRQYGELVRPEPSRFLLELPQDDLIWEQERKVVSAEERMQKGQSHLANLKAMMAAKRGK
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
104.0kDa
Protein Length
Full Length
Tag Info
N-terminal GST-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.
Description

The production of this Recombinant E.coli K12 MPL protein began at the genetic level, where the coding sequence for the MPL protein was first isolated and cloned into an expression plasmid vector. Recombinant DNA technology was used in the process. Next step was cloning. The expression vector must be introduced into the host cell (E.coli) so that the cells could be cultured and expressed the desired rep protein. And we finally got the recombinant rep protein with the purity of 90%+ determined by SDS-PAGE.

Extracellular adenosine triphosphate (ATPe) is an important signaling molecule, which regulates a wide range of cellular functions including cell proliferation, apoptosis, immune response, neurotransmission and, focus of our interest, the epithelial ion transport. In order to achieve these effects, ATP is released from cells in response to a number of stimuli including transmitter or hormone stimulation, shear stress, cell volume changes, hypoxia and release from damaged cells. Several ATP release mechanisms have been proposed to explain transport of ATP across the plasma membrane. One of the ATP releasing pathways is the regulated vesicular exocytosis, which occurs in neurons, endocrine cells and some exocrine cells, and constitutive vesicular transport. Other models of ATP release pathways include anion channels and transporters (e.g. maxi-anion channels, volumeregulated anion channels, cystic fibrosis transmembrane conductance regulator (CFTR)), multidrug resistance proteins, pannexin-1 and pannexin-1 in conjunction with the P2X7 receptor and connexin hemichannels.

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Target Background

Function
Rep helicase is a single-stranded DNA-dependent ATPase involved in DNA replication; it can initiate unwinding at a nick in the DNA. It binds to the single-stranded DNA and acts in a progressive fashion along the DNA in the 3' to 5' direction.
Gene References into Functions
  1. After replication blockage by an inverted rrn, Rep in conjunction with DinG or UvrD removes RNA polymerase, a task that is fulfilled in its absence by the SOS-induced DinG and UvrD helicases. PMID: 19851282
  2. Rep helicase activity is regulated by the rotational conformational state of its 2B subdomain; formation of a Rep dimer may relieve autoinhibition by altering the 2B subdomain orientation. PMID: 16009938
  3. We examined the effect of a rep mutation on illegitimate recombination and found that the frequency of spontaneous illegitimate recombination is enhanced by the rep mutation PMID: 16236131
  4. the binding of a single Rep monomer to a stalled replication fork can lead to repetitive shuttling along the single-stranded region, possibly keeping the DNA clear of toxic recombination intermediates PMID: 16251956
Protein Families
Helicase family, UvrD subfamily
Database Links
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