ftsK Antibody

Code CSB-PA342837XA01ENV
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Product Details

Full Product Name
Rabbit anti-Escherichia coli (strain K12) ftsK Polyclonal antibody
Uniprot No.
Target Names
ftsK
Alternative Names
ftsK antibody; b0890 antibody; JW0873 antibody; DNA translocase FtsK antibody
Raised in
Rabbit
Species Reactivity
Escherichia coli (strain K12)
Immunogen
Recombinant Escherichia coli (strain K12) ftsK protein
Immunogen Species
Escherichia coli (strain K12)
Conjugate
Non-conjugated
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (14-16 weeks)
Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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Target Background

Function
Essential cell division protein that coordinates cell division and chromosome segregation. The N-terminus is involved in assembly of the cell-division machinery. The C-terminus functions as a DNA motor that moves dsDNA in an ATP-dependent manner towards the dif recombination site, which is located within the replication terminus region. Translocation stops specifically at Xer-dif sites, where FtsK interacts with the Xer recombinase, allowing activation of chromosome unlinking by recombination. FtsK orienting polar sequences (KOPS) guide the direction of DNA translocation. FtsK can remove proteins from DNA as it translocates, but translocation stops specifically at XerCD-dif site, thereby preventing removal of XerC and XerD from dif. Stoppage of translocation is accompanied by a reduction in ATPase activity. Also stimulates topoisomerase 4 activity. Required for the targeting of FtsQ, FtsL and FtsI to the septum.
Gene References into Functions
  1. FtsKgamma interacts with the C-terminal domain of XerD, above a cleft where XerC is thought to bind. We present a model for activation of recombination based on structural data. PMID: 27708355
  2. We found that whatever the growth conditions, sister copies of the V. cholerae chr1 dif region remain together at mid-cell until the onset of constriction, which permits their processing by FtsK and the activation of dif-recombination. PMID: 28358835
  3. FtsK translocase has a role in assembly, translocation, and activation of XerCD-dif recombination PMID: 26324908
  4. An average of 7 FtsK hexamers per cell are present at midcell, with the N-terminal domain being able to hexamerize independently of the translocase. PMID: 24302254
  5. Kinetic analyses showed that the presence of the FtsK gamma domain increases the rate of XerCD-dif synapse assembly and increases its stability. PMID: 24214995
  6. Data indicate that the arrival of the FtsK translocase at an initial synaptic complex, forming a transient activated complex in which XerD exchanged a pair of strands to form an Holliday junctions (HJ) intermediate for catalysis by XerC. PMID: 24101525
  7. FtsK segregates the terminus region of sister chromosomes whether they are monomeric or dimeric and does so in an accurate and ordered manner. PMID: 23781109
  8. Multiple regions in FtsK protein are required for in cell division. PMID: 21091498
  9. The properties in vivo and in vitro of FtsK and its relatives are discussed in relation to the biological functions of these remarkable enzymes. PMID: 20298190
  10. FtsK transports DNA before membrane fusion, at a time when there is still an opening in the constricted septum. PMID: 20033058
  11. FtsK translocation stops specifically at XerCD-dif, thereby preventing removal of XerCD from dif and allowing activation of chromosome unlinking by recombination. PMID: 19854947
  12. Data describe the in vivo effects of deletions of FtsK(L) and/or of FtsK(C), of swaps of these domains with their Haemophilus influenzae counterparts and of a point mutation that inactivates the walker A motif of FtsK(C). PMID: 15522074
  13. directly observed the movement of purified FtsK on single DNA molecules; results imply that FtsK is a bidirectional motor that changes direction in response to short, asymmetric directing DNA sequences PMID: 15681387
  14. FtsK induces approximately 0.07 supercoils per DNA helical pitch traveled PMID: 15821742
  15. translocation by FtsK occurs mostly on DNA belonging to a specifically organized domain of the chromosome, when physical links between either dimeric or still intercatenated chromosomes force this DNA to run across the septum at division PMID: 15916604
  16. Results suggest that the N-terminal domain of FtsK is normally involved in stability of the division protein machine and shares functional overlap with FtsQ, FtsB, FtsA, ZipA and FtsN. PMID: 16194242
  17. FtsK translocase is a powerful motor that is able to displace a triplex-forming oligo from a DNA substrate PMID: 16301526
  18. A 62-amino-acid fragment of FtsK(C) interacts directly with the XerD C-terminus in order to stimulate the cleavage by XerD of BSN, a dif-DNA suicide substrate containing a nick in the 'bottom' strand. PMID: 16553881
  19. Study provides evidence that 8-base-pair asymmetric sequences (KOPS) promote FtsK loading on DNA and that translocation is oriented at this step. PMID: 17041597
  20. Study uses in vitro single-molecule and ensemble methods to unveil a mechanism of action in which the translocation and sequence-recognition activities are performed by different domains in FtsK. PMID: 17041598
  21. controls recombination provoked by an extra Ter site in the chromosome terminus PMID: 17376083
  22. Septum localization and concentration of FtsK co-ordinate its various roles in chromosome segregation and cell division. PMID: 18363794
  23. FtsK interacts with the cell division partner proteins through different functional domians. PMID: 18759781
  24. FtsK mediates a reciprocal control between processing of the replichore polarity junction and cell division. PMID: 19057667
  25. Failure to recognize KOPS during FtsK translocation has only modest consequences for fitness of wild-type cells. PMID: 19170870
  26. The structure and composition of DNA interferes with Xer recombination activation by FtsK. PMID: 19246541

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Subcellular Location
Cell inner membrane; Multi-pass membrane protein. Note=Located at the septum. Colocalizes with FtsZ. ZipA, FtsZ and FtsA, but not FtsI and FtsQ are required to target it to the septum.
Protein Families
FtsK/SpoIIIE/SftA family
Database Links
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301-363-4651 (Available 9 a.m. to 5 p.m. CST from Monday to Friday)
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7505 Fannin St., Ste 610, Room 7 (CUBIO Innovation Center), Houston, TX 77054, USA
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