TEL1 Antibody

Code CSB-PA334371XA01SVG
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Product Details

Full Product Name
Rabbit anti-Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) TEL1 Polyclonal antibody
Uniprot No.
Target Names
TEL1
Alternative Names
TEL1 antibody; YBL088C antibody; YBL0706Serine/threonine-protein kinase TEL1 antibody; EC 2.7.11.1 antibody; ATM homolog antibody; DNA-damage checkpoint kinase TEL1 antibody; Telomere length regulation protein 1 antibody
Raised in
Rabbit
Species Reactivity
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Immunogen
Recombinant Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) TEL1 protein
Immunogen Species
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
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)

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Target Background

Function
Serine/threonine protein kinase which activates checkpoint signaling upon genotoxic stresses such as ionizing radiation (IR), ultraviolet light (UV), or DNA replication stalling, thereby acting as a DNA damage sensor. Recognizes the substrate consensus sequence [ST]-Q. Recruited by the MRX-complex to sites of DNA lesions immediately after damage to initiate non-homologous end-joining (NHEJ). Subsequently displaced by the RPA complex in a reaction probably involving the SAE2 protein. Phosphorylates MRE11 and XRS2, 2 subunits of the MRX-complex. The phosphorylation of MRE11 is a feedback response from the checkpoint signaling pathway. Phosphorylates RAD9, CHK1 and RAD53, leading to the activation of the CHK1 and RAD23 kinases involved in the DNA damage response cascade. Phosphorylates histone H2A to form H2AS128ph (gamma-H2A) at sites of DNA damage, also involved in the regulation of DNA damage response mechanism. Phosphorylates also SLX4 and RTT107 which are involved in genome stability. Required for the control of telomere length and genome stability.
Gene References into Functions
  1. Our findings provide a model in which two different Tel2 pathways promote protein stabilization of Mec1 and Tel1 in budding yeast. PMID: 28827813
  2. In this study, we characterized functions of the FATC domain of Tel1 by introducing substitution or truncation mutations. PMID: 26246601
  3. once loaded to a double-strand break (DSB) by the MRX complex, promotes/stabilizes MRX association to the DSB in a positive feedback loop PMID: 26901759
  4. By performing a genetic screen, we identify rad53 and tel1 mutant alleles that suppress both the DNA damage hypersensitivity and the resection defect of sae2Delta cells through an Sgs1-Dna2-dependent mechanism PMID: 26584331
  5. In the absence of Tel1, a significant proportion of crossovers occur through a non-ZMM-dependent pathway, contributing to a crossover landscape with poor interference. PMID: 26305689
  6. Tel1 directs early replication and phosphorylates Rif1.Tel1 acts upstream of Rif1 in controlling telomere replication timing. PMID: 25329891
  7. Tel1 plays role in signal transduction during DNA replication. PMID: 25752575
  8. These results establish that Tel1(ATM) specifies not only the extent but also the timing of telomerase recruitment PMID: 25122631
  9. observations support a hierarchical view of recombination initiation where Tel1(ATM) prevents clusters of DNA double-strand breaks, and further suppresses DSBs within the surrounding chromosomal region PMID: 25539084
  10. Retaining a chrV L telomeric hph marker was significantly higher in tel1Delta, sae2Delta. PMID: 24699249
  11. Pch2 prevents Mec1/Tel1-mediated Hop1 phosphorylation occurring independently of Red1 in Saccharomyces cerevisiae meiosis. PMID: 24465650
  12. We show here that Tel1p and Rad53p, homologs of the mammalian DNA damage response kinases ATM and Chk2, mediate a hormetic mtROS longevity signal that extends yeast chronological lifespan. PMID: 23747251
  13. Tel1 is critical for DNA damage response and telomere homeostasis. PMID: 23378069
  14. Red1-SUMO-C interaction mediates both Mec1- and Tel1-mediated Hop1-T318 phosphorylation. PMID: 23775120
  15. The results show that Tel1 and Rad51 have multiple roles in the maintenance of vertebrate-like telomeres in yeast, supporting the idea that they may participate to evolutionary conserved telomere protection mechanisms acting at uncapped telomeres. PMID: 23677619
  16. Tel1 and Mec1, the budding yeast ATM and ATR, respectively, down-regulate Rec114 upon meiotic DSB formation through phosphorylation PMID: 23825959
  17. MRN/MRX recognizes double-strand break ends and recruits Tel1 to the DNA ends. Protein attachment at DNA ends enhances Tel1 activation through MRX function, whereas protein tethering in the middle of DNA fragments does not. PMID: 21402778
  18. Chromosome rearrangements and aneuploidy in yeast strains lacking both Tel1p and Mec1p reflect deficiencies in two different mechanisms PMID: 20534547
  19. Tel1 mutations are associated with increased rates of spontaneous loss of heterozygosity leading to genome instability. PMID: 20410660
  20. CDK1 complexes participate in triggering the Tel1-dependent checkpoint and are required to maintain both Mec1- and Tel1-dependent Rad53 phosphorylation, which are critical events in the DNA damage checkpoint cascade PMID: 15542824
  21. We present the characterization of a new mutation in the TEL1-gene, called tel1-11. Telomere and checkpoint functions are differentially affected by the mutant protein Tel1-11p. PMID: 16228207
  22. The viability of yku70Delta mec1Delta and yku80Delta mec1Delta cells depends on the ATM-related Tel1 kinase, the Mre11-Rad50-Xrs2 complex, and the DNA damage checkpoint protein Rad9 PMID: 16287875
  23. Sae2 phosphorylation depends on the checkpoint kinases Mec1 and Tel1, whose simultaneous deletion also impairs meiotic DNA double-strand break repair PMID: 16861895
  24. beta-lapachone activates a Mre11p-Tel1p checkpoint pathway in budding yeast PMID: 17106258
  25. These data argue that Mre11p and Tel1p affect telomere length by promoting telomerase recruitment to telomeres, whereas Mec1p has only a minor role in telomerase recruitment in a TEL1 cell. PMID: 17188035
  26. Tel1, the ATM orthologue, has two functions in checkpoint response to double-strand breaks. PMID: 17347674
  27. Sae2 and Tel1 promote microhomology-mediated end joining but inhibit non-homologous end joining, likely by regulating Mre11-dependent ssDNA accumulation at DNA break. PMID: 17565964
  28. These data suggest that Tel1p targets telomerase to the DNA ends most in need of extension. PMID: 17656141
  29. A chromatin remodeling complex is established as a functional component in the Mec1/Tel1 DNA damage signaling pathway that modulates checkpoint responses. PMID: 17693258
  30. Tel1p preferentially associates with the shortest telomeres and stimulates their elongation by telomerase. PMID: 17803948
  31. Telomerase repeat addition processivity is significantly increased at extremely short telomeres, a process that is dependent on the ATM-ortholog Tel1. PMID: 17908934
  32. Data show that Tel1 kinase and subtelomere-bound Tbf1 mediate preferential elongation of short telomeres by telomerase in yeast. PMID: 17917674
  33. Tel1-hy544 can activate the checkpoint more efficiently than wild-type Tel1 PMID: 17954565
  34. Study demonstrates that Mec1 and Tel1 promote meiotic interhomolog recombination by targeting the axial element protein Hop1. PMID: 18329363
  35. Data show that Tel1 and Tel2 interact, and that even when Tel1 protein levels are high, this interaction is specifically required for Tel1 localization to a DNA break and its activation of downstream targets. PMID: 18334620
  36. Mec1 and Tel1 inhibit anaphase in response to DNA damage by utilizing spindle assembly checkpoint proteins. PMID: 18454191
  37. Results define a conserved sequence motif within an otherwise poorly defined region of the Tel1/ATM kinase family proteins that is essential for normal Tel1 function in Saccharomyces cerevisiae. PMID: 18625723
  38. like human ATM, Tel1 serves as a key regulator for chromosome integrity in the pathway that reduces the risk for DSB-induced chromosome translocations, and are probably pertinent to the oncogenic chromosome translocations in ATM-deficient cells PMID: 18650924
  39. Budding yeasts carrying human-type telomeric repeats at their chromosome termini show a chronic activation of the Rad53-dependent DNA damage checkpoint pathway and a G2/M cell cycle delay. PMID: 19007917
  40. Tel1p has two separate functions in telomere maintenance and that the Xrs2p-dependent recruitment of Tel1p to telomeres plays an important role even in the absence of its kinase activity. PMID: 19596790

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Subcellular Location
Nucleus. Chromosome, telomere. Note=Localizes to nuclear DNA repair foci in response to DNA double strand breaks.
Protein Families
PI3/PI4-kinase family, ATM subfamily
Database Links

KEGG: sce:YBL088C

STRING: 4932.YBL088C

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