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- EMDB-2644: Structure of the mammalian ribosome-Sec61 complex -

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基本情報

登録情報
データベース: EMDB / ID: EMD-2644
タイトルStructure of the mammalian ribosome-Sec61 complex
マップデータMammalian ribosome in complex with Sec61. Translating active class with mRNA and hybrid tRNAs
試料
  • 試料: Mammalian ribosome in complex with Sec61 with the large subunit (60S) masked during processing.
  • 複合体: Mammalian ribosome
  • タンパク質・ペプチド: Sec61
キーワードtranslation / ribosome / mammalian / sec61
機能・相同性
機能・相同性情報


Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / RMTs methylate histone arginines / Protein methylation / TNFR1-mediated ceramide production / Translation initiation complex formation / Formation of the ternary complex, and subsequently, the 43S complex / Ribosomal scanning and start codon recognition / Regulation of TNFR1 signaling / TNFR1-induced NF-kappa-B signaling pathway / : ...Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / RMTs methylate histone arginines / Protein methylation / TNFR1-mediated ceramide production / Translation initiation complex formation / Formation of the ternary complex, and subsequently, the 43S complex / Ribosomal scanning and start codon recognition / Regulation of TNFR1 signaling / TNFR1-induced NF-kappa-B signaling pathway / : / regulation of cell cycle => GO:0051726 / regulation of cell cycle => GO:0051726 / L13a-mediated translational silencing of Ceruloplasmin expression / SRP-dependent cotranslational protein targeting to membrane / Major pathway of rRNA processing in the nucleolus and cytosol / Formation of a pool of free 40S subunits / GTP hydrolysis and joining of the 60S ribosomal subunit / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / protein-transporting ATPase activity / malate dehydrogenase / L-malate dehydrogenase (NAD+) activity / translation at presynapse / protein tyrosine kinase inhibitor activity / embryonic brain development / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / positive regulation of gastrulation / IRE1-RACK1-PP2A complex / positive regulation of Golgi to plasma membrane protein transport / carboxylic acid metabolic process / negative regulation of RNA splicing / Resolution of Sister Chromatid Cohesion / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / Separation of Sister Chromatids / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / RHO GTPases Activate Formins / negative regulation of phagocytosis / regulation of establishment of cell polarity / alpha-beta T cell differentiation / cytoplasmic side of rough endoplasmic reticulum membrane / laminin receptor activity / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / regulation of translation involved in cellular response to UV / protein-DNA complex disassembly / positive regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / positive regulation of mitochondrial depolarization / organelle membrane / negative regulation of Wnt signaling pathway / regulation of cell division / negative regulation of peptidyl-serine phosphorylation / BH3 domain binding / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / cysteine-type endopeptidase activator activity involved in apoptotic process / positive regulation of signal transduction by p53 class mediator / phagocytic cup / ubiquitin ligase inhibitor activity / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / protein localization to nucleus / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / protein-RNA complex assembly / cellular response to interleukin-4 / protein targeting / cellular response to actinomycin D / negative regulation of ubiquitin-dependent protein catabolic process / translation regulator activity / signaling adaptor activity / positive regulation of intrinsic apoptotic signaling pathway / negative regulation of smoothened signaling pathway / laminin binding / rough endoplasmic reticulum / 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) / tricarboxylic acid cycle / gastrulation / negative regulation of proteasomal ubiquitin-dependent protein catabolic process / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / maturation of LSU-rRNA / SH2 domain binding / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / DNA-(apurinic or apyrimidinic site) lyase / cyclin binding / rescue of stalled ribosome / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / positive regulation of GTPase activity / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / innate immune response in mucosa / maturation of SSU-rRNA / neural tube closure / mRNA 3'-UTR binding / small-subunit processome / positive regulation of translation / cellular response to glucose stimulus / protein kinase C binding / maintenance of translational fidelity / positive regulation of apoptotic signaling pathway / positive regulation of protein-containing complex assembly / cellular response to gamma radiation / negative regulation of cell growth / receptor tyrosine kinase binding
類似検索 - 分子機能
: / : / Malate dehydrogenase, type 3 / Protein translocase SEC61 complex, gamma subunit / Protein translocase SecE domain superfamily / Translocon Sec61/SecY, plug domain / Plug domain of Sec61p / Protein secE/sec61-gamma signature. / Protein secY signature 1. / Protein secY signature 2. ...: / : / Malate dehydrogenase, type 3 / Protein translocase SEC61 complex, gamma subunit / Protein translocase SecE domain superfamily / Translocon Sec61/SecY, plug domain / Plug domain of Sec61p / Protein secE/sec61-gamma signature. / Protein secY signature 1. / Protein secY signature 2. / SecE/Sec61-gamma subunits of protein translocation complex / Protein translocase complex, SecE/Sec61-gamma subunit / SecY/SEC61-alpha family / SecY domain superfamily / SecY conserved site / SecY / L-lactate/malate dehydrogenase / Ribosomal protein L23 / Lactate/malate dehydrogenase, N-terminal / Lactate/malate dehydrogenase, C-terminal / lactate/malate dehydrogenase, NAD binding domain / lactate/malate dehydrogenase, alpha/beta C-terminal domain / Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal / 40S ribosomal protein SA / 40S ribosomal protein SA, C-terminal domain / 40S ribosomal protein SA C-terminus / Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ribosomal protein L2, archaeal-type / Ribosomal protein L30e / Ribosomal protein L28e / Ribosomal L28e/Mak16 / Ribosomal L28e protein family / : / Ribosomal protein S26e signature. / Ribosomal protein L23/L25, N-terminal / metallochaperone-like domain / TRASH domain / Ribosomal protein L23, N-terminal domain / Ribosomal protein S26e / Ribosomal protein S21e, conserved site / Ribosomal protein S26e superfamily / Ribosomal protein S26e / Ribosomal protein S21e signature. / Ribosomal protein S12e signature. / Ribosomal protein S12e / Ribosomal protein S5, eukaryotic/archaeal / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Ribosomal protein L29e / Ribosomal L29e protein family / Ribosomal protein L14e domain / Ribosomal protein L1, conserved site / Small (40S) ribosomal subunit Asc1/RACK1 / Ribosomal protein L1 signature. / Ribosomal protein S21e / Ribosomal protein S21e superfamily / Ribosomal protein S21e / Ribosomal protein L13e, conserved site / Ribosomal protein L13e signature. / Ribosomal protein S2, eukaryotic / Ribosomal protein L1 / Ribosomal protein L14 / Ribosomal protein L14, KOW motif / Ribosomal protein L14 / Ribosomal protein L22e / Ribosomal protein L22e superfamily / Ribosomal L22e protein family / Ribosomal protein L38e / Ribosomal protein L38e superfamily / Ribosomal L38e protein family / S27a-like superfamily / 40S Ribosomal protein S10 / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein L27e, conserved site / Ribosomal protein L27e signature. / Ribosomal protein L44e signature. / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein L10e, conserved site / Ribosomal protein L10e signature. / Ribosomal protein L10e / Ribosomal protein L13e / Ribosomal protein S2, eukaryotic/archaeal / Ribosomal protein L13e / Ribosomal protein L19, eukaryotic / Ribosomal protein S27a / Ribosomal protein S27a / Ribosomal protein S27a / Ribosomal protein S17e, conserved site / Ribosomal protein S17e signature. / Ribosomal protein S30 / 60S ribosomal protein L18a/ L20, eukaryotes / Ribosomal protein S30 / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Ribosomal protein S7e signature. / Ribosomal protein L24e, conserved site / Ribosomal protein L24e signature.
類似検索 - ドメイン・相同性
Ribosomal protein L15 / 40S ribosomal protein S7 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein eL20 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL22 / 40S ribosomal protein S27 / 40S ribosomal protein S6 / 40S ribosomal protein S10 / 40S ribosomal protein S15a ...Ribosomal protein L15 / 40S ribosomal protein S7 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein eL20 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL22 / 40S ribosomal protein S27 / 40S ribosomal protein S6 / 40S ribosomal protein S10 / 40S ribosomal protein S15a / 60S ribosomal protein L35a / 60S ribosomal protein L23a / 60S ribosomal protein L3 isoform a / 60S ribosomal protein L13a isoform 1 / 60S ribosomal protein L36a / Ribosomal protein / 60S ribosomal protein L8 / 40S ribosomal protein S9 isoform a / 60S ribosomal protein L36 / 40S ribosomal protein S11 / Ribosomal protein L37 / 40S ribosomal protein S25 / Ribosomal protein L19 / 60S ribosomal protein L23 / 60S ribosomal protein L7 / 40S ribosomal protein S30 / Protein transport protein Sec61 subunit gamma / 60S ribosomal protein L37a / Malate dehydrogenase / 60S ribosomal protein L28 isoform 2 / 40S ribosomal protein S19 / Large ribosomal subunit protein eL24 / 40S ribosomal protein S24 / Large ribosomal subunit protein uL15 / 60S ribosomal protein L13 / Plug_translocon domain-containing protein / Large ribosomal subunit protein eL30 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein eL39 / 40S ribosomal protein S4 / Ribosomal protein L18 / 40S ribosomal protein S27a / 60S ribosomal protein L7a / Large ribosomal subunit protein eL14 / Large ribosomal subunit protein eL27 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein eS1 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein eL38 / Small ribosomal subunit protein uS7 / 40S ribosomal protein S13 / 40S ribosomal protein S2 / Large ribosomal subunit protein uL6 / 40S ribosomal protein S12 / Small ribosomal subunit protein eS26 / Large ribosomal subunit protein eL21 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS19 / Large ribosomal subunit protein eL31 / Ubiquitin-ribosomal protein eL40 fusion protein / Small ribosomal subunit protein eS21 / Small ribosomal subunit protein RACK1 / Large ribosomal subunit protein eL22 / Small ribosomal subunit protein uS3 / Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein eL34 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein eL6 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS14 / Small ribosomal subunit protein eS17 / Large ribosomal subunit protein eL32 / Small ribosomal subunit protein eS28 / Small ribosomal subunit protein uS12 / Large ribosomal subunit protein eL29
類似検索 - 構成要素
生物種Sus scrofa domesticus (ブタ)
手法単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.9 Å
データ登録者Voorhees RM / Fernandez IS / Scheres SHW / Hegde R
引用ジャーナル: Cell / : 2014
タイトル: Structure of the mammalian ribosome-Sec61 complex to 3.4 Å resolution.
著者: Rebecca M Voorhees / Israel S Fernández / Sjors H W Scheres / Ramanujan S Hegde /
要旨: Cotranslational protein translocation is a universally conserved process for secretory and membrane protein biosynthesis. Nascent polypeptides emerging from a translating ribosome are either ...Cotranslational protein translocation is a universally conserved process for secretory and membrane protein biosynthesis. Nascent polypeptides emerging from a translating ribosome are either transported across or inserted into the membrane via the ribosome-bound Sec61 channel. Here, we report structures of a mammalian ribosome-Sec61 complex in both idle and translating states, determined to 3.4 and 3.9 Å resolution. The data sets permit building of a near-complete atomic model of the mammalian ribosome, visualization of A/P and P/E hybrid-state tRNAs, and analysis of a nascent polypeptide in the exit tunnel. Unprecedented chemical detail is observed for both the ribosome-Sec61 interaction and the conformational state of Sec61 upon ribosome binding. Comparison of the maps from idle and translating complexes suggests how conformational changes to the Sec61 channel could facilitate translocation of a secreted polypeptide. The high-resolution structure of the mammalian ribosome-Sec61 complex provides a valuable reference for future functional and structural studies.
履歴
登録2014年5月13日-
ヘッダ(付随情報) 公開2014年6月18日-
マップ公開2014年7月16日-
更新2015年7月15日-
現状2015年7月15日処理サイト: PDBe / 状態: 公開

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構造の表示

ムービー
  • 表面図(断面を密度値に従い着色)
  • 表面レベル: 0.065
  • UCSF Chimeraによる作画
  • ダウンロード
  • 表面図(高さに従い着色)
  • 表面レベル: 0.065
  • UCSF Chimeraによる作画
  • ダウンロード
  • あてはめたモデルとの重ね合わせ
  • 原子モデル: PDB-3j7r
  • 表面レベル: 0.065
  • UCSF Chimeraによる作画
  • ダウンロード
ムービービューア
構造ビューアEMマップ:
SurfViewMolmilJmol/JSmol
添付画像

ダウンロードとリンク

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マップ

ファイルダウンロード / ファイル: emd_2644.map.gz / 形式: CCP4 / 大きさ: 276 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
注釈Mammalian ribosome in complex with Sec61. Translating active class with mRNA and hybrid tRNAs
投影像・断面図

画像のコントロール

大きさ
明度
コントラスト
その他
Z (Sec.)Y (Row.)X (Col.)
1.34 Å/pix.
x 420 pix.
= 562.8 Å
1.34 Å/pix.
x 420 pix.
= 562.8 Å
1.34 Å/pix.
x 420 pix.
= 562.8 Å

表面

投影像

断面 (1/3)

断面 (1/2)

断面 (2/3)

画像は Spider により作成

ボクセルのサイズX=Y=Z: 1.34 Å
密度
表面レベル登録者による: 0.065 / ムービー #1: 0.065
最小 - 最大-0.39422372 - 0.67518675
平均 (標準偏差)0.00143454 (±0.02157907)
対称性空間群: 1
詳細

EMDB XML:

マップ形状
Axis orderXYZ
Origin000
サイズ420420420
Spacing420420420
セルA=B=C: 562.8 Å
α=β=γ: 90.0 °

CCP4マップ ヘッダ情報:

modeImage stored as Reals
Å/pix. X/Y/Z1.341.341.34
M x/y/z420420420
origin x/y/z0.0000.0000.000
length x/y/z562.800562.800562.800
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS420420420
D min/max/mean-0.3940.6750.001

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添付データ

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添付マップデータ: emdb 2644 half map 1.map

ファイルemdb_2644_half_map_1.map
投影像・断面図
ZYX

投影像

断面 (1/2)
密度ヒストグラム

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添付マップデータ: emdb 2644 half map 2.map

ファイルemdb_2644_half_map_2.map
投影像・断面図
ZYX

投影像

断面 (1/2)
密度ヒストグラム

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試料の構成要素

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全体 : Mammalian ribosome in complex with Sec61 with the large subunit (...

全体名称: Mammalian ribosome in complex with Sec61 with the large subunit (60S) masked during processing.
要素
  • 試料: Mammalian ribosome in complex with Sec61 with the large subunit (60S) masked during processing.
  • 複合体: Mammalian ribosome
  • タンパク質・ペプチド: Sec61

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超分子 #1000: Mammalian ribosome in complex with Sec61 with the large subunit (...

超分子名称: Mammalian ribosome in complex with Sec61 with the large subunit (60S) masked during processing.
タイプ: sample / ID: 1000 / Number unique components: 2

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超分子 #1: Mammalian ribosome

超分子名称: Mammalian ribosome / タイプ: complex / ID: 1 / 組換発現: No / Ribosome-details: ribosome-eukaryote: ALL
由来(天然)生物種: Sus scrofa domesticus (ブタ) / 別称: domestic pig / 組織: pancreas

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分子 #1: Sec61

分子名称: Sec61 / タイプ: protein_or_peptide / ID: 1 / 組換発現: No
由来(天然)生物種: Sus scrofa domesticus (ブタ) / 別称: domestic pig

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実験情報

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構造解析

手法クライオ電子顕微鏡法
解析単粒子再構成法
試料の集合状態particle

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試料調製

緩衝液pH: 7.5
詳細: 50mM hepes, 200mM K-acetate, 15mM Mg-acetate, 1mM DTT
グリッド詳細: Quantifoil R2/2 400 mesh copper grids.
凍結凍結剤: ETHANE / チャンバー内湿度: 90 % / チャンバー内温度: 120 K / 装置: FEI VITROBOT MARK IV
手法: 3uL of sampled was incubated on the grid for 30 seconds before blotting for 9 second

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電子顕微鏡法

顕微鏡FEI TITAN KRIOS
日付2014年4月7日
撮影カテゴリ: CCD
フィルム・検出器のモデル: FEI FALCON II (4k x 4k)
実像数: 1900 / 平均電子線量: 25 e/Å2
電子線加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN
電子光学系照射モード: OTHER / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 0.003 µm / 最小 デフォーカス(公称値): 0.001 µm / 倍率(公称値): 47000
試料ステージ試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER
実験機器
モデル: Titan Krios / 画像提供: FEI Company

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画像解析

CTF補正詳細: Each particle
最終 再構成想定した対称性 - 点群: C1 (非対称) / 解像度のタイプ: BY AUTHOR / 解像度: 3.9 Å / 解像度の算出法: OTHER / ソフトウェア - 名称: Relion / 使用した粒子像数: 80019

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