Recombinant Human Serine-protein kinase ATM (ATM), partial

Code CSB-YP618770HU
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Source Yeast
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Code CSB-EP618770HU
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Source E.coli
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Code CSB-EP618770HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP618770HU
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Source Baculovirus
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Code CSB-MP618770HU
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
A-T mutated; A-T mutated homolog; AT mutated; AT1; ATA; Ataxia telangiectasia mutated; Ataxia telangiectasia mutated gene; Ataxia telangiectasia mutated homolog (human); Ataxia telangiectasia mutated homolog; ATC; ATD; ATDC; ATE; ATM; ATM serine/threonine kinase; ATM_HUMAN; DKFZp781A0353; MGC74674; OTTHUMP00000232981; Serine protein kinase ATM; Serine-protein kinase ATM; Serine/threonine-protein kinase ATM; Tefu; TEL1; TEL1; telomere maintenance 1; homolog; TELO1; Telomere fusion protein
Homo sapiens (Human)
Protein Length
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
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 before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
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℃/-80℃. 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
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

Serine/threonine protein kinase which activates checkpoint signaling upon double strand breaks (DSBs), apoptosis and genotoxic stresses such as ionizing ultraviolet A light (UVA), thereby acting as a DNA damage sensor. Recognizes the substrate consensus sequence [ST]-Q. Phosphorylates 'Ser-139' of histone variant H2AX at double strand breaks (DSBs), thereby regulating DNA damage response mechanism. Also plays a role in pre-B cell allelic exclusion, a process leading to expression of a single immunoglobulin heavy chain allele to enforce clonality and monospecific recognition by the B-cell antigen receptor (BCR) expressed on individual B-lymphocytes. After the introduction of DNA breaks by the RAG complex on one immunoglobulin allele, acts by mediating a repositioning of the second allele to pericentromeric heterochromatin, preventing accessibility to the RAG complex and recombination of the second allele. Also involved in signal transduction and cell cycle control. May function as a tumor suppressor. Necessary for activation of ABL1 and SAPK. Phosphorylates DYRK2, CHEK2, p53/TP53, FBXW7, FANCD2, NFKBIA, BRCA1, CTIP, nibrin (NBN), TERF1, UFL1, RAD9, UBQLN4 and DCLRE1C. May play a role in vesicle and/or protein transport. Could play a role in T-cell development, gonad and neurological function. Plays a role in replication-dependent histone mRNA degradation. Binds DNA ends. Phosphorylation of DYRK2 in nucleus in response to genotoxic stress prevents its MDM2-mediated ubiquitination and subsequent proteasome degradation. Phosphorylates ATF2 which stimulates its function in DNA damage response. Phosphorylates ERCC6 which is essential for its chromatin remodeling activity at DNA double-strand breaks.
Gene References into Functions
  1. In mitosis ATM forms a complex with the poly(ADP)ribose polymerase Tankyrase 1, the spindle pole protein NuMA1, and breast cancer protein BRCA1, another crucial DDR player. The complex is required for efficient poly(ADP)ribosylation of NuMA1. PMID: 24553124
  2. ATM was a direct target of miR-181a. PMID: 24531888
  3. A review discusses ATM function and the consequences of its loss during chronic lymphocytic leukemia pathogenesis. PMID: 23906020
  4. Data show that serine-922 of TAX1BP2 protein is the phosphorylation site of ataxia telangiectasia mutated (ATM) kinase. PMID: 24240686
  5. Data indicate that ataxia telangiectasia mutated (ATM) protein phosphorylates BRG1 protein at Ser-721. PMID: 24413084
  6. These results indicate that ATM regulates a sub-set of NF-kappaB dependent genes after a genotoxic stress by direct phosphorylation of p65. PMID: 22715377
  7. Data suggest that expression of cytomegalovirus UL76 up-regulates human interleukin-8 (IL8) expression/secretion in response to DNA damage; both UL76 and human ATM have roles in mechanism of IL8 induction during cytomegalovirus infection. PMID: 24068928
  8. Huntington's disease cells presented a delayed nucleo-shuttling of phosphorylated forms of the ATM kinase. PMID: 24277524
  9. ATM silencing induced partial reduction in levels of Skp2, a component of SCF(Skp2) ubiquitin ligase that controls Cdt1 degradation. PMID: 24280901
  10. Heterozygosity for the ATM rs373759 polymorphism may be a potential risk factor for papillary thyroid cancer. PMID: 23925578
  11. cAMP signaling inhibits radiation-induced ATM activation by PKA-dependent activation of PP2A, and this signaling mechanism augments radiation-induced apoptosis by reducing ATM-dependent activation of NF-kappaB in lung cancer cells. PMID: 24568192
  12. Study found that in human oncogene-transformed and cancer cells, ATM suppressed ARF protein levels and activity in a transcription-independent manner. PMID: 23851489
  13. Tumoral loss of ATM protein was detected more often in patients with a family history of pancreatic cancer than in those without PMID: 24486587
  14. An important role of ATM-mediated Mad1 Serine 214 phosphorylation in mitosis. PMID: 24728176
  15. OCT variants ( OCT1, OCT2 and ATM) were significantly associated with elevated baseline and glucose-induced C-peptide levels in polycystic ovary syndrome PMID: 24533710
  16. The findings implicate an important role of variants in the ATM- CHEK2- BRCA1 axis in modification of the genetic predisposition to papillary thyroid carcinoma and its clinical manifestations. PMID: 24599715
  17. Cuc B also triggers ATM-activated p53-14-3-3-sigma pathways. PMID: 24505404
  18. Data indicate that ATM-depletion can sensitize breast cancer cells to PARP inhibition, suggesting a potential in the treatment of breast cancers low in ATM protein expression/activity, such as those arising in mutant ATM heterozygous carriers. PMID: 24252502
  19. ATM levels were significantly down-regulated in oxaliplatin-resistant colorectal cancer cells. PMID: 24145123
  20. ATM-mediated Snail Serine 100 phosphorylation in response to ionizing irradiation plays an important part in the regulation of radiosensitivity. PMID: 23891091
  21. Our study indicates that the expression of Pim kinases is physiologically related to DNA-PKcs and ATM in ECs. PMID: 22282239
  22. At a low reactive oxygen species condition during genotoxic insult, the ATM/sumoylated-IKKgamma interaction induced NFkappaB activation that resisted JNK-mediated apoptosis. PMID: 24457965
  23. genetic association studies in a population of men in Germany: Data suggest that an SNP near ATM (ataxia telangiectasia mutated protein; rs11212617) is associated with coronary artery disease (but not blood glucose level) in the subjects studied. PMID: 24281401
  24. ATM and ATR each contribute to DNA damage response (DDR) activation caused by BKPyV infection. PMID: 22952448
  25. High ATM expression is associated with breast cancer. PMID: 23857602
  26. Reduced protein expression of ATM is associated with breast carcinoma. PMID: 23117476
  27. ATM protein expression is an independent prognostic marker in sporadic breast cancer. PMID: 24285016
  28. ATM mutation and ATM protein loss had characteristics of old age, distal location of tumor, large tumor size, and histologic intestinal type. PMID: 24324828
  29. ATM/ATR pathway plays an important role in tumor recognition. PMID: 24726882
  30. data confirm previous work showing that Lig3 is required to maintain mtDNA integrity and function, and highlight a new function of ATM in regulating DNA Lig3 stability and consequently mtDNA repair PMID: 24342190
  31. ATM mutations either alone or in combination with 11q deletion lead to demonstrable ATM dysfunction in patients with chronic lymphocytic leukemia. PMID: 23585524
  32. The findings of this study suggested that biallelic ATM-inactivating mutations may present as isolated, generalized dystonia. PMID: 23640770
  33. This study therefore sheds light on the mechanisms underlying AZA resistance, and will enable better understanding of AZA resistance in patients undergoing AZA treatment. PMID: 24680865
  34. NKX3.1 and ATM have a functional interaction leading to ATM activation and then NKX3.1 degradation in a tightly regulated DNA damage response specific to prostate epithelial cells. PMID: 23890999
  35. Activation of H2AX and ATM in varicella-zoster virus infected cells is associated with expression of VZV ORF61 and ORF63. PMID: 24606682
  36. IP7, formed by IP6K2, binds CK2 to enhance its phosphorylation of the Tti1/Tel2 complex, thereby stabilizing DNA-PKcs and ATM. This process stimulates p53 phosphorylation at serine 15 to activate the cell death program. PMID: 24657168
  37. ATM and MDC1 maintain genomic stability not only by controlling the DNA damage response, but also by regulating spindle assembly checkpoint activation, providing an important link between these two essential biological processes. PMID: 24509855
  38. we elucidated the prognostic implications of the expressions of ATM, Chk2, and p53, in gastric carcinoma PMID: 23969480
  39. The regulation of ATM by HDAC enzymes therefore suggests a vital role for HDAC1 and HDAC2 in the DNA damage response. PMID: 23939379
  40. Apoptotic progression is markedly attenuated by ATM gene knockdown through downregulation of caspase-8 and caspase-9. PMID: 24530529
  41. ATM and MAPKAP kinase 2 mediate radiation sensitivity in pancreatic cancer cells via phosphorylation of TRIM29. PMID: 24469230
  42. data provide strong evidences that Aurora-A and BRCA1/2 inversely control the sensitivity of cancer cells to radio- and chemotherapy through the ATM/Chk2-mediated DNA repair networks PMID: 24480460
  43. glioma stem cells were more resistant to radiation compared to glioma cells due to high expression of phosphorylated cell cycle checkpoint proteins, and inhibition of ATM could significantly reduce the radioresistance of glioma stem cells and glioma cells PMID: 23846672
  44. ATM-deficient mice show resistance to hepatocyte cell death. PMID: 23435430
  45. mimosine treatment, ATM blocks S phase entry in response to ROS, which prevents replication fork stalling-induced DNA damage. PMID: 24421316
  46. In Rho 0-Hep G2 cells, which lack mitochondrial DNA and functional mitochondria, ATM failed to respond to hydrogen peroxide, indicating that mitochondria are required for the oxidative activation of ATM. PMID: 24406161
  47. 12 pathogenic Atm mutations (1 missense, 4 nonsense, 5 frameshift, 1 splicing, and 1 large genomic deletion) were found in 8 Chinese patients from 5 families. All were novel. No homozygous mutation and founder-effect mutation were found. PMID: 23807571
  48. Heterozygous carriers of c.8851-1G>T (associated with absence of ATM kinase activity) had a stronger radiosensitive phenotype with this assay than heterozygous carriers of p.Asp2708Asn (associated with residual kinase activity). PMID: 23632773
  49. Significant association with PTC was found for rs1801516 (D1853N) in ATM and rs1867277 in the promoter region of FOXE1 (OR = 1.55, 95% CI 1.03, 2.34). PMID: 24105688
  50. Kaposi's sarcoma-associated herpesvirus induces the ATM and H2AX DNA damage response early during de novo infection of primary endothelial cells, which play roles in latency establishment. PMID: 24352470

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Involvement in disease
Ataxia telangiectasia (AT)
Subcellular Location
Nucleus. Cytoplasmic vesicle. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome.
Protein Families
PI3/PI4-kinase family, ATM subfamily
Tissue Specificity
Found in pancreas, kidney, skeletal muscle, liver, lung, placenta, brain, heart, spleen, thymus, testis, ovary, small intestine, colon and leukocytes.
Database Links

HGNC: 795

OMIM: 208900

KEGG: hsa:472

STRING: 9606.ENSP00000278616

UniGene: Hs.367437

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