- EMDB-9626: Cryo-EM structure of human Ribonuclease P -
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基本情報
登録情報
データベース: EMDB / ID: EMD-9626
タイトル
Cryo-EM structure of human Ribonuclease P
マップデータ
試料
複合体: RNase P
RNA: x 1種
タンパク質・ペプチド: x 10種
リガンド: x 1種
キーワード
Ribonuclease P / RNA-protein complex / HYDROLASE-RNA complex
機能・相同性
機能・相同性情報
multimeric ribonuclease P complex / nucleolar ribonuclease P complex / ribonuclease MRP complex / ribonuclease P RNA binding / ribonuclease P complex / tRNA decay / ribonuclease P activity / tRNA 5'-leader removal / tRNA processing in the nucleus / tRNA processing ...multimeric ribonuclease P complex / nucleolar ribonuclease P complex / ribonuclease MRP complex / ribonuclease P RNA binding / ribonuclease P complex / tRNA decay / ribonuclease P activity / tRNA 5'-leader removal / tRNA processing in the nucleus / tRNA processing / Major pathway of rRNA processing in the nucleolus and cytosol / endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / centriolar satellite / fibrillar center / rRNA processing / response to xenobiotic stimulus / intracellular membrane-bounded organelle / nucleolus / extracellular space / RNA binding / nucleoplasm / metal ion binding / nucleus / cytoplasm 類似検索 - 分子機能
Ribonuclease P protein subunit Rpp38 / Ribonuclease P protein subunit Rpp40 / Ribonuclease P 40kDa (Rpp40) subunit / : / Pop1, N-terminal / POPLD domain / Ribonuclease P/MRP protein subunit Pop5 / Ribonucleases P/MRP protein subunit Pop1 / : / Ribonucleases P/MRP protein subunit POP1, N-terminal ...Ribonuclease P protein subunit Rpp38 / Ribonuclease P protein subunit Rpp40 / Ribonuclease P 40kDa (Rpp40) subunit / : / Pop1, N-terminal / POPLD domain / Ribonuclease P/MRP protein subunit Pop5 / Ribonucleases P/MRP protein subunit Pop1 / : / Ribonucleases P/MRP protein subunit POP1, N-terminal / POPLD (NUC188) domain / POP1 C-terminal domain / Ribonucleases P/MRP protein subunit Rpp20/Pop7 / Rpp20 subunit of nuclear RNase MRP and P / RNase P subunit Pop5/Rpp14/Rnp2-like / RNase P subunit Pop5/Rpp14/Rnp2-like domain superfamily / Rpp14/Pop5 family / RNase P subunit p30 / Ribonuclease P subunit, Rpr2/Snm1/Rpp21 / Ribonuclease P/MRP subunit Rpp29 / RNase P subunit p30 / RNAse P Rpr2/Rpp21/SNM1 subunit domain / Ribonuclease P protein subunit Rpp29/RNP1 / Ribonuclease P/MRP subunit Rpp29 superfamily / Ribonuclease P/MRP, subunit p29 / A domain found in a protein subunit of human RNase MRP and RNase P ribonucleoprotein complexes and archaeal proteins. / Rof/RNase P-like / DNA/RNA-binding protein Alba-like / Alba / Alba-like domain superfamily / Polymerase/histidinol phosphatase-like / Ribosomal protein L7Ae/L30e/S12e/Gadd45 / Ribosomal protein L7Ae/L30e/S12e/Gadd45 family / 50S ribosomal protein L30e-like 類似検索 - ドメイン・相同性
Ribonuclease P protein subunit p20 / Ribonuclease P protein subunit p40 / Ribonuclease P protein subunit p14 / Ribonuclease P protein subunit p29 / Ribonuclease P protein subunit p38 / Ribonuclease P protein subunit p30 / Ribonuclease P/MRP protein subunit POP5 / Ribonucleases P/MRP protein subunit POP1 / Ribonuclease P protein subunit p25 / Ribonuclease P protein subunit p21 類似検索 - 構成要素
ジャーナル: Cell / 年: 2018 タイトル: Cryo-EM Structure of the Human Ribonuclease P Holoenzyme. 著者: Jian Wu / Shuangshuang Niu / Ming Tan / Chenhui Huang / Mingyue Li / Yang Song / Qianmin Wang / Juan Chen / Shaohua Shi / Pengfei Lan / Ming Lei / 要旨: Ribonuclease (RNase) P is a ubiquitous ribozyme that cleaves the 5' leader from precursor tRNAs. Here, we report cryo-electron microscopy structures of the human nuclear RNase P alone and in ...Ribonuclease (RNase) P is a ubiquitous ribozyme that cleaves the 5' leader from precursor tRNAs. Here, we report cryo-electron microscopy structures of the human nuclear RNase P alone and in complex with tRNA. Human RNase P is a large ribonucleoprotein complex that contains 10 protein components and one catalytic RNA. The protein components form an interlocked clamp that stabilizes the RNA in a conformation optimal for substrate binding. Human RNase P recognizes the tRNA using a double-anchor mechanism through both protein-RNA and RNA-RNA interactions. Structural comparison of the apo and tRNA-bound human RNase P reveals that binding of tRNA induces a local conformational change in the catalytic center, transforming the ribozyme into an active state. Our results also provide an evolutionary model depicting how auxiliary RNA elements in bacterial RNase P, essential for substrate binding, and catalysis, were replaced by the much more complex and multifunctional protein components in higher organisms.