- EMDB-28641: Cryo EM structure of Vibrio cholerae NQR -
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基本情報
登録情報
データベース: EMDB / ID: EMD-28641
タイトル
Cryo EM structure of Vibrio cholerae NQR
マップデータ
Relion Refine3D full map
試料
複合体: Na(+)-translocating NADH-quinone reductase
タンパク質・ペプチド: Na(+)-translocating NADH-quinone reductase subunit A
タンパク質・ペプチド: Na(+)-translocating NADH-quinone reductase subunit B
タンパク質・ペプチド: Na(+)-translocating NADH-quinone reductase subunit C
タンパク質・ペプチド: Na(+)-translocating NADH-quinone reductase subunit D
タンパク質・ペプチド: Na(+)-translocating NADH-quinone reductase subunit E
タンパク質・ペプチド: Na(+)-translocating NADH-quinone reductase subunit F
リガンド: FLAVIN MONONUCLEOTIDE
リガンド: RIBOFLAVIN
リガンド: UBIQUINONE-1
リガンド: FE2/S2 (INORGANIC) CLUSTER
キーワード
complex / ELECTRON TRANSPORT / TRANSLOCASE
機能・相同性
機能・相同性情報
NADH:ubiquinone reductase (Na+-transporting) / Gram-negative-bacterium-type cell wall / oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor / sodium ion transport / respiratory electron transport chain / transmembrane transport / 2 iron, 2 sulfur cluster binding / FMN binding / electron transfer activity / metal ion binding / plasma membrane 類似検索 - 分子機能
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)
AI151152
米国
引用
ジャーナル: To Be Published タイトル: Novel cofactor binding motifs, electron transfer and ion pumping mechanisms of the respiratory complex NQR 著者: Juarez O / Fuller JR
Map sharpened by fitted Bfactor (-29.6032) and filtered to local resolution via the Relion LocalRes method. Model was built and refined primarily into this map, including model ADPs.
モデル: Quantifoil R1.2/1.3 / 材質: COPPER / メッシュ: 200 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY / 前処理 - タイプ: GLOW DISCHARGE / 前処理 - 時間: 30 sec. / 前処理 - 雰囲気: AIR 詳細: Gatan Solarus plasma cleaner operated at 20W and using ambient/room air
凍結
凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 295 K / 装置: FEI VITROBOT MARK IV 詳細: A 3.5 uL droplet of sample was applied to the grid surface and blotted for 4 s before plunging into liquid ethane..
タイプ: MAXIMUM LIKELIHOOD / ソフトウェア - 名称: RELION (ver. 4.0beta2)
最終 3次元分類
クラス数: 2 / 平均メンバー数/クラス: 90115 / ソフトウェア - 名称: RELION (ver. 4.0beta2) 詳細: A final fixed-posed 3D classification was used to separate the two conformations of the NqrE subunit
FSC曲線 (解像度の算出)
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原子モデル構築 1
ソフトウェア
名称: UCSF Chimera
詳細
The model was refined by iterating between manual edits in Coot, molecular dynamics-guided edits using the ISOLDE ChimeraX package, and automated real-space refinement in Phenix. Models that had been automatically rebuilt using Rosetta were used as guides during manual refinement.
精密化
空間: REAL / プロトコル: FLEXIBLE FIT / 当てはまり具合の基準: Cross-correlation
得られたモデル
PDB-8ew3: Cryo EM structure of Vibrio cholerae NQR