Ribosomal protein S12 / Ribosomal protein S12 / Nucleoid-associated protein YbaB-like domain superfamily / Protein kinase A anchor protein, nuclear localisation signal domain / AKAP7 2'5' RNA ligase-like domain / Probable Zinc-ribbon domain / Probable Zinc-ribbon domain / TRAPP I complex, subunit 5 / Enoyl-CoA hydratase/isomerase, HIBYL-CoA-H type / Enoyl-CoA hydratase/isomerase ...Ribosomal protein S12 / Ribosomal protein S12 / Nucleoid-associated protein YbaB-like domain superfamily / Protein kinase A anchor protein, nuclear localisation signal domain / AKAP7 2'5' RNA ligase-like domain / Probable Zinc-ribbon domain / Probable Zinc-ribbon domain / TRAPP I complex, subunit 5 / Enoyl-CoA hydratase/isomerase, HIBYL-CoA-H type / Enoyl-CoA hydratase/isomerase / Protein Fyv4 / IGR protein motif / IGR / Cyclic phosphodiesterase / LysM domain superfamily / Ribosomal protein S23/S29, mitochondrial / Mitochondrial ribosomal death-associated protein 3 / LysM domain / Rhodanese domain profile. / Rhodanese-like domain superfamily / LysM domain / Rhodanese-like domain / Manganese/iron superoxide dismutase, C-terminal / Manganese/iron superoxide dismutase, C-terminal domain superfamily / Iron/manganese superoxide dismutases, C-terminal domain / Manganese/iron superoxide dismutase, N-terminal domain superfamily / ClpP/crotonase-like domain superfamily / Ribosomal protein S16 domain superfamily / Ribosomal protein S6 superfamily / Translation elongation factor EF1B/ribosomal protein S6 / Ribosomal protein S18 superfamily / Ribosomal protein S5, C-terminal / Ribosomal protein S5, C-terminal domain / Ribosomal protein S8 / Ribosomal protein S8 superfamily / Ribosomal protein S8 / Tetratricopeptide-like helical domain superfamily / Ribosomal protein S9 / Ribosomal protein S9/S16 / Ribosomal protein S17/S11 / Ribosomal protein S17 / Ribosomal protein S11 superfamily / S15/NS1, RNA-binding / Ribosomal protein S5 domain 2-type fold, subgroup / Ubiquitin-like domain superfamily / Ribosomal protein S5 domain 2-type fold / Nucleic acid-binding, OB-fold 類似検索 - ドメイン・相同性
GUANOSINE-5'-TRIPHOSPHATE / URIDINE 5'-TRIPHOSPHATE / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Ribosome protein S12 / 30S Ribosomal protein S17-like protein / Superoxide dismutase, putative / Sod_Fe_C domain-containing protein ...GUANOSINE-5'-TRIPHOSPHATE / URIDINE 5'-TRIPHOSPHATE / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Ribosome protein S12 / 30S Ribosomal protein S17-like protein / Superoxide dismutase, putative / Sod_Fe_C domain-containing protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / AKAP7_NLS domain-containing protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Rhodanese domain-containing protein / Uncharacterized protein / Ribosomal_S5_C domain-containing protein / Uncharacterized protein / Protein FYV4, mitochondrial / Uncharacterized protein / Uncharacterized protein / Trafficking protein particle complex subunit / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein / Uncharacterized protein 類似検索 - 構成要素
ジャーナル: Proc Natl Acad Sci U S A / 年: 2020 タイトル: Structure of the mature kinetoplastids mitoribosome and insights into its large subunit biogenesis. 著者: Heddy Soufari / Florent Waltz / Camila Parrot / Stéphanie Durrieu-Gaillard / Anthony Bochler / Lauriane Kuhn / Marie Sissler / Yaser Hashem / 要旨: Kinetoplastids are unicellular eukaryotic parasites responsible for such human pathologies as Chagas disease, sleeping sickness, and leishmaniasis. They have a single large mitochondrion, essential ...Kinetoplastids are unicellular eukaryotic parasites responsible for such human pathologies as Chagas disease, sleeping sickness, and leishmaniasis. They have a single large mitochondrion, essential for the parasite survival. In kinetoplastid mitochondria, most of the molecular machineries and gene expression processes have significantly diverged and specialized, with an extreme example being their mitochondrial ribosomes. These large complexes are in charge of translating the few essential mRNAs encoded by mitochondrial genomes. Structural studies performed in already highlighted the numerous peculiarities of these mitoribosomes and the maturation of their small subunit. However, several important aspects mainly related to the large subunit (LSU) remain elusive, such as the structure and maturation of its ribosomal RNA. Here we present a cryo-electron microscopy study of the protozoans and mitoribosomes. For both species, we obtained the structure of their mature mitoribosomes, complete rRNA of the LSU, as well as previously unidentified ribosomal proteins. In addition, we introduce the structure of an LSU assembly intermediate in the presence of 16 identified maturation factors. These maturation factors act on both the intersubunit and the solvent sides of the LSU, where they refold and chemically modify the rRNA and prevent early translation before full maturation of the LSU.