Japan Agency for Medical Research and Development (AMED)
JP19am0101117,JP17pc0101020
日本
引用
ジャーナル: Nat Commun / 年: 2021 タイトル: Structure of the molecular bushing of the bacterial flagellar motor. 著者: Tomoko Yamaguchi / Fumiaki Makino / Tomoko Miyata / Tohru Minamino / Takayuki Kato / Keiichi Namba / 要旨: The basal body of the bacterial flagellum is a rotary motor that consists of several rings (C, MS and LP) and a rod. The LP ring acts as a bushing supporting the distal rod for its rapid and stable ...The basal body of the bacterial flagellum is a rotary motor that consists of several rings (C, MS and LP) and a rod. The LP ring acts as a bushing supporting the distal rod for its rapid and stable rotation without much friction. Here, we use electron cryomicroscopy to describe the LP ring structure around the rod, at 3.5 Å resolution, from Salmonella Typhimurium. The structure shows 26-fold rotational symmetry and intricate intersubunit interactions of each subunit with up to six partners, which explains the structural stability. The inner surface is charged both positively and negatively. Positive charges on the P ring (the part of the LP ring that is embedded within the peptidoglycan layer) presumably play important roles in its initial assembly around the rod with a negatively charged surface.
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Data content type: EM metadata Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata Group: Data collection / Data processing ...Data collection / Data processing / Database references / Experimental summary / Other / Source and taxonomy / Structure summary Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata カテゴリ: em_admin / em_entity_assembly_molwt ...em_admin / em_entity_assembly_molwt / em_software / entity / entity_poly / entity_src_nat / struct_ref / struct_ref_seq Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata Item: _em_admin.last_update / _em_entity_assembly_molwt.units ..._em_admin.last_update / _em_entity_assembly_molwt.units / _entity.formula_weight / _entity.pdbx_description / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_src_nat.pdbx_end_seq_num / _entity_src_nat.pdbx_organism_scientific / _struct_ref.db_code / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_end / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_auth_seq_align_end / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.seq_align_end
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A: Flagellar L-ring protein B: Flagellar L-ring protein C: Flagellar L-ring protein D: Flagellar L-ring protein E: Flagellar L-ring protein F: Flagellar L-ring protein G: Flagellar L-ring protein H: Flagellar L-ring protein I: Flagellar L-ring protein J: Flagellar L-ring protein K: Flagellar L-ring protein L: Flagellar L-ring protein M: Flagellar L-ring protein N: Flagellar L-ring protein O: Flagellar L-ring protein P: Flagellar L-ring protein Q: Flagellar L-ring protein R: Flagellar L-ring protein S: Flagellar L-ring protein T: Flagellar L-ring protein U: Flagellar L-ring protein V: Flagellar L-ring protein W: Flagellar L-ring protein X: Flagellar L-ring protein Y: Flagellar L-ring protein Z: Flagellar L-ring protein a: Flagellar P-ring protein b: Flagellar P-ring protein c: Flagellar P-ring protein d: Flagellar P-ring protein e: Flagellar P-ring protein f: Flagellar P-ring protein g: Flagellar P-ring protein h: Flagellar P-ring protein i: Flagellar P-ring protein j: Flagellar P-ring protein k: Flagellar P-ring protein l: Flagellar P-ring protein m: Flagellar P-ring protein n: Flagellar P-ring protein o: Flagellar P-ring protein p: Flagellar P-ring protein q: Flagellar P-ring protein r: Flagellar P-ring protein s: Flagellar P-ring protein t: Flagellar P-ring protein u: Flagellar P-ring protein v: Flagellar P-ring protein w: Flagellar P-ring protein x: Flagellar P-ring protein y: Flagellar P-ring protein z: Flagellar P-ring protein