Reply to Sabbioneda et al.: Role of ubiquitin-binding motif of human DNA polymerase η in translesion synthesis

Reply to Sabbioneda et al.: Role of ubiquitin-binding motif of human DNA polymerase η in translesion synthesis
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回复 Sabbioneda 等人:人类 DNA 聚合酶 η 泛素结合基序在跨损伤合成中的作用

DOI:
10.1073/pnas.0900176106
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发表时间:
2009
期刊:
Proceedings of the National Academy of Sciences
影响因子:
--
通讯作者:
S. Prakash
S. Prakash
中科院分区:
--
文献类型:
--
作者:
N. Acharya;J. Yoon;Himabindu Gali;I. Unk;L. Haracska;Robert E. Johnson;J. Hurwitz;L. Prakash;S. Prakash

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Sabbioneda等人。(1)结论:“当细胞内增殖细胞核抗原的浓度不受干扰时,POLη的UBZ基序是正确定位POLη所必需的。”然而,我们观察到C635A和H650A突变不会显著增加紫外线敏感性(,2),这意味着通过这些…使UBZ域的Ub结合能力失活
Sabbioneda et al. (1) conclude “that the UBZ motif of Polη is required for correct localization of Polη when cellular concentrations of PCNA are unperturbed.” However, our observations that the C635A and H650A mutations confer no significant increase in UV sensitivity (,2) imply that inactivation of Ub-binding ability of the UBZ domain via these …