首页> 外文期刊>Science >SIMILARITY AMONG THE DROSOPHILA (6-4)PHOTOLYASE, A HUMAN PHOTOLYASE HOMOLOG, AND THE DNA PHOTOLYASE-BLUE-LIGHT PHOTORECEPTOR FAMILY
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SIMILARITY AMONG THE DROSOPHILA (6-4)PHOTOLYASE, A HUMAN PHOTOLYASE HOMOLOG, AND THE DNA PHOTOLYASE-BLUE-LIGHT PHOTORECEPTOR FAMILY

机译:果蝇(6-4)磷酸酶,人类磷酸酶同系物和DNA磷酸酶-蓝光感光受体家族之间的相似性

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摘要

Ultraviolet light (UV)-induced DNA damage can be repaired by DNA photolyase in a light-dependent manner. Two types of photolyase are known, one specific for cyclobutane pyrimidine dimers (CPD photolyase) and another specific for pyrimidine (6-4) pyrimidone photoproducts [(6-4)photolyase]. In contrast to the CPD photolyase, which has been detected in a wide variety of organisms, the (6-4)photolyase has been found only in Drosophila melanogaster. In the present study a gene encoding the Drosophila (6-4)photolyase was cloned, and the deduced amino acid sequence of the product was found to be similar to the CPD photolyase and to the blue-light photoreceptor of plants. A homolog of tile Drosophila (6-4)photolyase gene was also cloned from human cells.
机译:紫外线(UV)诱导的DNA损伤可以通过DNA光裂解酶以光依赖的方式修复。已知两种类型的光解酶,一种对环丁烷嘧啶二聚体(CPD光解酶)具有特异性,另一种对嘧啶(6-4)嘧啶酮光产物[(6-4)光解酶]具有特异性。与在各种生物中检测到的CPD光解酶相反,仅在果蝇中发现了(6-4)光解酶。在本研究中,克隆了编码果蝇(6-4)光解酶的基因,发现推导的产物氨基酸序列与CPD光解酶和植物的蓝光感光体相似。果蝇(6-4)光解酶基因的同源物也从人类细胞中克隆。

著录项

  • 来源
    《Science》 |1996年第5258期|p.109-112|共4页
  • 作者单位

    Todo T, KYOTO UNIV, CTR RADIAT BIOL, SAKYO KU, YOSHIDA KONECHO, KYOTO 60601, JAPAN;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

    (6 4)photoproducts; Protein;

    机译:(6 4)光产品;蛋白质;
  • 入库时间 2022-08-18 00:36:43

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