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논문 기본 정보

자료유형
학술저널
저자정보
Lee Jinwook (Research Institute of Agriculture and Life Sciences Center for Food and Bioconvergence Department of Agricultural Biotechnology CALS Seoul National University Seoul 08826 Republic of Korea) Jo Inseong (Research Institute of Agriculture and Life Sciences Center for Food and Bioconvergence Department of Agricultural Biotechnology CALS Seoul National University Seoul 08826 Republic of KoreaCurrent addr) Kwon Ae-Ran (Department of Beauty Care College of Medical Science Daegu Haany University Gyeongsan 38610 Republic of Korea) 하남출 (서울대학교)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제33권 제1호
발행연도
2023.1
수록면
28 - 34 (7page)
DOI
10.4014/jmb.2209.09019

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Endoribonuclease YbeY is specific to the single-stranded RNA of ribosomal RNAs and small RNAs. This enzyme is essential for the maturation and quality control of ribosomal RNA in a wide range of bacteria and for virulence in some pathogenic bacteria. In this study, we determined the crystal structure of YbeY from Staphylococcus aureus at a resolution of 1.9 Å in the presence of zinc chloride. The structure showed a zinc ion at the active site and two molecules of tricarboxylic acid citrate, which were also derived from the crystallization conditions. Our structure showed the zinc ionbound local environment at the molecular level for the first time. Molecular comparisons were performed between the carboxylic moieties of citrate and the phosphate moiety of the RNA backbone, and a model of YbeY in complex with a single strand of RNA was subsequently constructed. Our findings provide molecular insights into how the YbeY enzyme recognizes singlestranded RNA in bacteria.

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