セリン/スレオニンキナーゼATR(ataxia telangiectasia and Rad3-related)は、ヒトではATR遺伝子にコードされる酵素である[5][6]。FRP1(FRAP-related protein 1)という名称でも知られる。ATRはPI3K関連キナーゼ(英語版)(PIKK)ファミリーに属する。ATRはDNAの一本鎖切断に応答して活性化される。
^Hall, Amy B.; Newsome, Dave; Wang, Yuxin; Boucher, Diane M.; Eustace, Brenda; Gu, Yong; Hare, Brian; Johnson, Mac A. et al. (30 July 2014). “Potentiation of tumor responses to DNA damaging therapy by the selective ATR inhibitor VX-970”. Oncotarget5 (14): 5674–5685. doi:10.18632/oncotarget.2158.
^Dunlop, Charles R.; Wallez, Yann; Johnson, Timothy Isaac; Bernaldo de Quirós Fernández, Sandra; Durant, Stephen T.; Cadogan, Elaine B.; Lau, Alan; Richards, Frances M. et al. (3 August 2020). “Complete loss of ATM function augments replication catastrophe induced by ATR inhibition and gemcitabine in pancreatic cancer models”. British Journal of Cancer. doi:10.1038/s41416-020-1016-2.
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^“Ataxia telangiectasia mutated (ATM) kinase and ATM and Rad3 related kinase mediate phosphorylation of Brca1 at distinct and overlapping sites. In vivo assessment using phospho-specific antibodies”. The Journal of Biological Chemistry276 (20): 17276–80. (May 2001). doi:10.1074/jbc.M011681200. PMID11278964.
^ ab“Molecular association between ATR and two components of the nucleosome remodeling and deacetylating complex, HDAC2 and CHD4”. Biochemistry38 (44): 14711–7. (Nov 1999). doi:10.1021/bi991614n. PMID10545197.
^“BRCA1-BARD1 complexes are required for p53Ser-15 phosphorylation and a G1/S arrest following ionizing radiation-induced DNA damage”. The Journal of Biological Chemistry279 (30): 31251–8. (Jul 2004). doi:10.1074/jbc.M405372200. PMID15159397.
^“ATR/ATM-mediated phosphorylation of human Rad17 is required for genotoxic stress responses”. Nature411 (6840): 969–74. (Jun 2001). doi:10.1038/35082110. PMID11418864.