MUS81 Antibody

Code CSB-PA015240GA01HU
Size $600
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Product Details

Uniprot No.
Target Names
MUS81
Alternative Names
Crossover junction endonuclease MUS81 antibody; FLJ21012 antibody; FLJ44872 antibody; Mus 81 antibody; MUS81 antibody; MUS81 Endonuclease Homolog antibody; MUS81_HUMAN antibody
Raised in
Rabbit
Species Reactivity
Human,Mouse,Rat
Immunogen
Human MUS81
Immunogen Species
Homo sapiens (Human)
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
PBS with 0.1% Sodium Azide, 50% Glycerol, pH 7.3.-20°C, Avoid freeze / thaw cycles.
Tested Applications
ELISA,IHC,IF
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

Function
Interacts with EME1 and EME2 to form a DNA structure-specific endonuclease with substrate preference for branched DNA structures with a 5'-end at the branch nick. Typical substrates include 3'-flap structures, replication forks and nicked Holliday junctions. May be required in mitosis for the processing of stalled or collapsed replication forks.
Gene References into Functions
  1. Replication fork progression in BRCA2-deficient cells requires MUS81. MUS81 nucleolytic activity is required to activate compensatory DNA synthesis during mitosis and to resolve mitotic interlinks, thus facilitating chromosome segregation. PMID: 28714477
  2. Using RNAi or FA-P cells complemented with SLX4 mutants that abrogate interaction with MUS81 or SLX1, we show that SLX4 cooperates with MUS81 to introduce DSBs after replication stress but also counteracts pathological targeting of demised forks by GEN1. PMID: 28290553
  3. The results showed that MUS81 modulates MCM2 levels as well as homologous recombination (HR) activity. Moreover, downregulation of MUS81 increased the sensitivity of epithelial ovarian cancer (EOC)cells to olaparib by inducing S phase arrest and promoting apoptosis through activation of MCM2. MUS81 may be a potential novel therapeutic target for EOC. PMID: 29393493
  4. Mus81 knockdown improves the chemosensitivity of colon cancer cells by inducing S phase arrest and promoting apoptosis through activating CHK1 pathway PMID: 28291626
  5. Low EZH2 or MUS81 expression levels predict chemoresistance. PMID: 29035360
  6. RECQ5 removes RAD51 filaments stabilizing stalled replication forks at common fragile sites and hence facilitates CFS cleavage by MUS81-EME1. PMID: 28575661
  7. The mitotic DNA synthesis is RAD52 dependent, and RAD52 is required for the timely recruitment of MUS81 and POLD3 to common fragile sites in early mitosis. PMID: 27984745
  8. Data suggest that dimeric GEN1 binds with high affinity/selectivity to Holliday junctions, introducing two symmetrical hydrolytic cleavages of phosphodiester backbone; at present, less is known about SLX1-SLX4-MUS81-EME1 resolving enzyme complex. (GEN1 = Holliday junction 5' flap endonuclease; SLX = structure-specific endonuclease subunit; MUS81 = MUS81 endonuclease; EME1 = essential meiotic endonuclease 1) [REVIEW] PMID: 27990631
  9. down-regulation of MUS81 expression in ovarian cancer cells inhibited cell proliferation and colony formation ability, and influenced cell cycle progression PMID: 27255997
  10. SLX4-SLX1 Protein-independent Down-regulation of MUS81-EME1 Protein by HIV-1 Viral Protein R (Vpr). PMID: 27354282
  11. Mus81 sumoylation is important for normal mitotic chromosome congression. PMID: 28318385
  12. Data suggest that the ATM/Chk2 may promote the repair of DNA damage caused by cisplatin by sustaining methyl methanesulfonate and ultraviolet-sensitive gene clone 81, and the double-strand breaks generated by methyl methanesulfonate and ultraviolet-sensitive gene clone 81 may activate the ATM/Chk2 pathway. PMID: 28347251
  13. Avoiding damage formation through invalidation of Mus81-Eme2 and Mre11, or preventing damage signaling by turning off the ATM pathway, suppresses the replication phenotypes of Chk1-deficient cells. PMID: 26804904
  14. Mus81 knockdown improves the chemosensitivity of HCC cells by inducing S-phase arrest and promoting apoptosis through CHK1 pathway, suggesting Mus81 as a novel therapeutic target for HCC. PMID: 26714930
  15. Mus81 regulates the rate of DNA replication during normal growth by promoting replication fork progression while reducing the frequency of replication initiation events. PMID: 25879486
  16. Identification and characterization of MUS81 point mutations that abolish interaction with the SLX4 scaffold protein.MUS81 function in DNA interstrand crosslinks repair requires interaction with SLX4. PMID: 25224045
  17. The data highlight the importance of Mus81 and Blm in DNA double-strand repair pathways, fertility, development and cancer. PMID: 24858046
  18. Authors confirmed that HIV-1 Vpr induces degradation of Mus81 although, surprisingly, degradation is independent and genetically separable from Vprs ability to induce G2 arrest. PMID: 25618414
  19. Results define distinct and temporal roles for MUS81-EME1 and MUS81-EME2 in the maintenance of genome stability. PMID: 24813886
  20. Our findings reveal a novel RAD52/MUS81-dependent mechanism that promotes cell viability and genome integrity in checkpoint-deficient cells, and disclose the involvement of MUS81 to multiple processes after replication stress PMID: 24204313
  21. While Mus81-Eme1 shares several common features with members of the 5' flap nuclease family, the combined structural, biochemical, and biophysical analyses explain why Mus81-Eme1 preferentially cleaves 3' flap DNA substrates with 5' nicked ends. PMID: 24733841
  22. In vivo HJ resolution depends on both SLX4-associated MUS81-EME1 and SLX1, suggesting that they are acting in concert in the context of SLX4. PMID: 24080495
  23. The presence of a 5' phosphate terminus at nicks and gaps rendered DNA significantly less susceptible to the cleavage by MUS81-EME2 than its absence. PMID: 24692662
  24. This study identified a winged helix domain within the N-terminal region of human MUS81 that binds DNA, increases the activity of MUS81-EME1/EME2 complexes and influences the incision position of MUS81-EME2 but not MUS81-EME1 complexes on synthetic forks, 3' flaps and nicked Holliday junctions. PMID: 23982516
  25. Data show that three structure-selective endonucleases, SLX1-SLX4, MUS81-EME1, and GEN1, define two pathways of Holliday junctions (HJs) resolution in HeLa cells. PMID: 24076221
  26. the DNA structure-specific nuclease MUS81-EME1 localizes to CFS loci in early mitotic cells, and promotes the cytological appearance of characteristic gaps or breaks observed at CFSs in metaphase chromosomes. PMID: 23811685
  27. FBH1 helicase activity is required to eliminate cells with excessive replication stress through the generation of MUS81-induced DNA double-strand breaks. PMID: 23361013
  28. we demonstrate that double-strand breaks, observed upon oncogene over-expression, depend on the MUS81 endonuclease, which represents a parallel pathway collaborating with WRN to prevent cell death. PMID: 22410776
  29. Data show that Mus81/Eme1-dependent DNA damage--rather than a global increase in replication-fork stalling--is the cause of incomplete replication in Chk1-deficient cells. PMID: 21858151
  30. Mus81 cleaves stalled replication forks, which allows dissipation of the excessive supercoiling resulting from Top1 inhibition, spontaneous reversal of Top1cc, and replication fork progression. PMID: 22123861
  31. Results demonstrate a novel role of Wee1 in controlling Mus81-Eme1 and DNA replication in human cells. PMID: 21859861
  32. Mus81 is a novel prognostic marker for colorectal carcinoma PMID: 21175991
  33. Mus81 down-regulation correlated significantly to invasion depth (p = 0.015) and poorly-differentiated type (p = 0.016) of gastric cancer. PMID: 21187482
  34. Mus81-associated endonuclease may play a more direct role in replication fork collapse by catalysing the cleavage of stalled fork structures. PMID: 12374758
  35. hMUS81.hMMS4 complex is a structure-specific nuclease that is capable of resolving fork structure [hMMS4] PMID: 12686547
  36. Mus81 binds to a homolog of fission yeast Eme1 in vitro and in vivo and Mus81-Eme1 resolves Holliday junctions in vivo. PMID: 14617801
  37. Mus81 is required to repair problems that arise most frequently in the highly repetitive nucleolar DNA. PMID: 14638871
  38. Data suggest a new function of BLM in cooperating with Mus81 during processing and restoration of stalled replication forks. PMID: 15805243
  39. Mus81 deficiency affects cell cycle progression and promotes DNA rereplication. PMID: 16456034
  40. Pulsed-field gel electrophoresis of the mus81Delta mutant revealed an expansion of the rDNA locus depending on RAD52, in addition to fragmentation of Chr XII in the sgs1Deltamus81(ts) mutant at permissive temperature. PMID: 17555773
  41. Mus81 and FANCB have different roles in repair of DNA damage during replication in human cells PMID: 17903171
  42. Data suggest that Mus81 suppresses chromosomal instability by converting potentially detrimental replication-associated DNA structures into intermediates that are more amenable to DNA repair. PMID: 17934473
  43. BLM helicase and Mus81 are required to induce transient double-stranded DNA breaks in response to DNA replication stress. PMID: 18054789
  44. Mus81-Eme1 can ensure coordinate, bilateral cleavage of Holliday junction-like structures. PMID: 18310322
  45. the crystal structure of the Mus81-Eme1 complex PMID: 18413719
  46. Mutations and abnormal expression of MUS81 gene in the LSCC tissues were observed. PMID: 18841572
  47. WRN is required to avoid accumulation of double-strand breaks and fork collapse after replication perturbation, and that prompt MUS81-dependent generation of DSBs is instrumental for recovery from hydroxyurea-mediated replication arrest. PMID: 18852298
  48. results demonstrate a link between branch migration activity of hRad54 and structure-specific endonuclease activity of hMus81-Eme1, suggesting that the Rad54 and Mus81-Eme1 proteins may cooperate in the processing of Holliday junction-like intermediates PMID: 19017809
  49. MUS81 is involved in the maintenance of ALT (alternative lengthening of telomeres) cell survival at least in part by homologous recombination of telomeres. PMID: 19363487

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Subcellular Location
Nucleus, nucleolus. Note=Recruited to foci of DNA damage in S-phase cells.
Protein Families
XPF family
Tissue Specificity
Widely expressed.
Database Links

HGNC: 29814

OMIM: 606591

KEGG: hsa:80198

STRING: 9606.ENSP00000307853

UniGene: Hs.288798

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