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NTIS 바로가기Journal of applied biological chemistry, v.58 no.3, 2015년, pp.201 - 208
노경희 (Department of metabolic engineering, National Academy of Agricultural Science, Rural Development Administration) , 강한철 (Department of metabolic engineering, National Academy of Agricultural Science, Rural Development Administration) , 김종범 (Department of metabolic engineering, National Academy of Agricultural Science, Rural Development Administration) , 김현욱 (Department of metabolic engineering, National Academy of Agricultural Science, Rural Development Administration) , 이경렬 (Department of metabolic engineering, National Academy of Agricultural Science, Rural Development Administration) , 김순희 (Department of metabolic engineering, National Academy of Agricultural Science, Rural Development Administration)
The role of RNA-binding proteins (RBPs) to regulate expression of genes seems to be very important. RBPs play important roles in RNA related bioprocess such as transcription, pre-mRNA splicing, polyadenylation, transport, localization, translation, turn over and maintenance of structure. Despite of ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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RNA 결합 단백질이란 무엇인가? | RNA 결합 단백질(RNA-binding proteins; RBP)들은 세포내에서 단일 또는 이중 나선의 RNA와 결합하여 리보핵단백질(ribonucleoprotein) 복합체 형성에 관여하는 단백질들이다. RBPs들은 여러 종류의 구조 모티프를 가지고 있는데 이들은 RNA 인식 모티프(RRM), dsRNA 결합 부위 및 zinc finger 등이다. | |
RNA 결합 단백질이 전사 후 조절을 위해 mRNA에 결합하는 부위는? | 일반적으로 RNA 결합 단백질들은 전사후 조절을 위하여 mRNA의 5'UTR 또는 3'UTR 부위에 일반적으로 위치하고 있는 조절 부위와 결합을 한다. 거의 모든 RNA결합 단백질들이 RNA 에 결합하지만 이들 결합은 RNA 서열 등에 따라 결합하게 되는 데 이들 결합을 위해서는 RNA 결합부위가 중요한 역할을 하게 되며 대부분 보조 모티프를 갖추고 있다. | |
RNA 편집 관련 단백질 중 ADAR 단백질의 역할은? | 가장 잘 알려진 RNA 편집 관련 단백질중 하나는 ADAR 단백질이다. 이는 RNA의 핵산을 변경시킴으로서 mRNA의 전사후 변경에 관여하는 단백질이다. 이는 ADAR에 의한 효소반응으로 아데닌을 이노신으로 바꾸어 작용하여 결국 유전자의 다양성을 높이는 역할을 하게 된다. RNA 편집의 대다수는 non-coding RNA 부위에서 발생하지만 일부는 단백질 코딩 RNA 전사체에서도 발생하는 것으로 알려지고 있다(Glisovic 등, 2008). |
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