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基本情報
登録情報 | ![]() | |||||||||||||||
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タイトル | Cryo-EM structure of human 26S proteasomal RP subcomplex (Ea state) bound to K11/K48-branched ubiquitin (Ub) chain composed of three Ub. | |||||||||||||||
![]() | Composite sharpened cryo-EM half map of human 26S RP (Ea state) bound to K11/K48-branched ubiquitin (Ub) chain composed of three Ub. | |||||||||||||||
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![]() | protein degradation / macromolecular complex / ubiquitin-proteasome system / CYTOSOLIC PROTEIN | |||||||||||||||
機能・相同性 | ![]() thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / positive regulation of inclusion body assembly / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; オメガペプチターゼ / proteasome accessory complex / integrator complex / purine ribonucleoside triphosphate binding ...thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / positive regulation of inclusion body assembly / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; オメガペプチターゼ / proteasome accessory complex / integrator complex / purine ribonucleoside triphosphate binding / meiosis I / proteasome regulatory particle / cytosolic proteasome complex / positive regulation of proteasomal protein catabolic process / proteasome-activating activity / proteasome regulatory particle, lid subcomplex / proteasome regulatory particle, base subcomplex / metal-dependent deubiquitinase activity / negative regulation of programmed cell death / protein K63-linked deubiquitination / symbiont entry into host cell via disruption of host cell glycocalyx / Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / Homologous DNA Pairing and Strand Exchange / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / proteasome core complex / Resolution of D-loop Structures through Holliday Junction Intermediates / Somitogenesis / K63-linked deubiquitinase activity / symbiont entry into host cell via disruption of host cell envelope / Impaired BRCA2 binding to RAD51 / virus tail / proteasome binding / transcription factor binding / regulation of protein catabolic process / myofibril / proteasome storage granule / Presynaptic phase of homologous DNA pairing and strand exchange / general transcription initiation factor binding / blastocyst development / polyubiquitin modification-dependent protein binding / protein deubiquitination / positive regulation of RNA polymerase II transcription preinitiation complex assembly / regulation of proteasomal protein catabolic process / NF-kappaB binding / endopeptidase activator activity / proteasome assembly / proteasome core complex, alpha-subunit complex / mRNA export from nucleus / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / enzyme regulator activity / immune system process / inclusion body / ERAD pathway / Regulation of activated PAK-2p34 by proteasome mediated degradation / Autodegradation of Cdh1 by Cdh1:APC/C / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / APC/C:Cdc20 mediated degradation of Securin / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / NIK-->noncanonical NF-kB signaling / SCF-beta-TrCP mediated degradation of Emi1 / proteasome complex / proteolysis involved in protein catabolic process / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / TBP-class protein binding / Vpu mediated degradation of CD4 / Assembly of the pre-replicative complex / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Degradation of DVL / Dectin-1 mediated noncanonical NF-kB signaling / sarcomere / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Degradation of AXIN / Hh mutants are degraded by ERAD / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Hedgehog ligand biogenesis / G2/M Checkpoints / Defective CFTR causes cystic fibrosis / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Autodegradation of the E3 ubiquitin ligase COP1 / Negative regulation of NOTCH4 signaling / Vif-mediated degradation of APOBEC3G / Regulation of RUNX3 expression and activity / Hedgehog 'on' state / double-strand break repair via homologous recombination / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / MAPK6/MAPK4 signaling / stem cell differentiation / Degradation of beta-catenin by the destruction complex / lipopolysaccharide binding 類似検索 - 分子機能 | |||||||||||||||
生物種 | ![]() | |||||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.6 Å | |||||||||||||||
![]() | Hsu STD / Draczkowski P / Wang YS | |||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Cryo-EM structure of human 26S proteasomal RP subcomplex bound with branched Ub chain. 著者: Draczkowski P / Hsu STD / Wang YS | |||||||||||||||
履歴 |
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構造の表示
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ダウンロードとリンク
-EMDBアーカイブ
マップデータ | ![]() | 220 MB | ![]() | |
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FSC (解像度算出) | ![]() | 13.2 KB | 表示 | ![]() |
画像 | ![]() | 165.7 KB | ||
Filedesc metadata | ![]() | 14.6 KB | ||
その他 | ![]() | 122.9 MB | ||
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-検証レポート
文書・要旨 | ![]() | 604.9 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 604.4 KB | 表示 | |
XML形式データ | ![]() | 13.8 KB | 表示 | |
CIF形式データ | ![]() | 18.8 KB | 表示 | |
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-関連構造データ
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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||
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注釈 | Composite sharpened cryo-EM half map of human 26S RP (Ea state) bound to K11/K48-branched ubiquitin (Ub) chain composed of three Ub. | ||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.4 Å | ||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
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試料の構成要素
+全体 : Human 26S proteasome
+超分子 #1: Human 26S proteasome
+超分子 #2: 19S regulatory particle (RP) of human 26S proteasome
+超分子 #3: AAA+-ATPase of 19S regulatory particle (RP) of human 26S proteasome
+超分子 #4: alpha subunits belonging to the 20S core particle (CP) of human 2...
+超分子 #5: K11/K48-branched ubiquitin (Ub) chain composed of three Ub
+分子 #1: 26S protease regulatory subunit 7
+分子 #2: 26S protease regulatory subunit 4
+分子 #3: 26S protease regulatory subunit 8
+分子 #4: 26S protease regulatory subunit 6B
+分子 #5: Proteasome subunit alpha type-6
+分子 #6: Proteasome subunit alpha type-2
+分子 #7: Proteasome subunit alpha type-4
+分子 #8: Proteasome subunit alpha type-7
+分子 #9: Proteasome subunit alpha type-5
+分子 #10: Proteasome subunit alpha type-1
+分子 #11: Proteasome subunit alpha type-3
+分子 #12: 26S proteasome non-ATPase regulatory subunit 3
+分子 #13: 26S proteasome non-ATPase regulatory subunit 12
+分子 #14: 26S proteasome non-ATPase regulatory subunit 11
+分子 #15: 26S proteasome non-ATPase regulatory subunit 6
+分子 #16: 26S proteasome non-ATPase regulatory subunit 8
+分子 #17: 26S proteasome complex subunit DSS1
+分子 #18: 26S proteasome non-ATPase regulatory subunit 2
+分子 #19: 26S protease regulatory subunit 10B
+分子 #20: 26S protease regulatory subunit 6A
+分子 #21: 26S proteasome non-ATPase regulatory subunit 1
+分子 #22: 26S proteasome non-ATPase regulatory subunit 7
+分子 #23: 26S proteasome non-ATPase regulatory subunit 13
+分子 #24: 26S proteasome non-ATPase regulatory subunit 4
+分子 #25: 26S proteasome non-ATPase regulatory subunit 14
+分子 #26: Polyubiquitin-B
+分子 #27: ADENOSINE-5'-TRIPHOSPHATE
+分子 #28: MAGNESIUM ION
+分子 #29: ADENOSINE-5'-DIPHOSPHATE
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
濃度 | 1 mg/mL | |||||||||||||||||||||
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緩衝液 | pH: 7.6 構成要素:
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グリッド | モデル: Quantifoil R1.2/1.3 / 材質: COPPER / メッシュ: 300 / 前処理 - タイプ: GLOW DISCHARGE / 前処理 - 時間: 30 sec. / 前処理 - 雰囲気: AIR / 詳細: 20 mA | |||||||||||||||||||||
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 277.15 K / 装置: FEI VITROBOT MARK IV / 詳細: incubation time= 3 s blotting time= 2.5 s. | |||||||||||||||||||||
詳細 | The complex was additionally supplemented with an excess of preformed and SEC-purified RPN13:UCHL5 complex. |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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特殊光学系 | エネルギーフィルター - スリット幅: 20 eV |
撮影 | フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 撮影したグリッド数: 3 / 実像数: 15242 / 平均露光時間: 1.8 sec. / 平均電子線量: 49.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 1.8 µm / 最小 デフォーカス(公称値): 1.2 µm / 倍率(公称値): 70000 |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
-原子モデル構築 1
初期モデル | PDB ID: Chain - Source name: PDB / Chain - Initial model type: experimental model |
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精密化 | 空間: REAL / プロトコル: OTHER / 温度因子: 121.58 / 当てはまり具合の基準: 0.83 |
得られたモデル | ![]() PDB-8jrt: |