+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 8qyn | |||||||||||||||
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タイトル | Human 20S proteasome assembly intermediate structure 5 | |||||||||||||||
要素 |
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キーワード | HYDROLASE / Complex | |||||||||||||||
機能・相同性 | 機能・相同性情報 cerebellar granule cell precursor proliferation / purine ribonucleoside triphosphate binding / regulation of endopeptidase activity / protein folding chaperone complex / Regulation of ornithine decarboxylase (ODC) / proteasome core complex / Cross-presentation of soluble exogenous antigens (endosomes) / : / proteasome core complex assembly / Somitogenesis ...cerebellar granule cell precursor proliferation / purine ribonucleoside triphosphate binding / regulation of endopeptidase activity / protein folding chaperone complex / Regulation of ornithine decarboxylase (ODC) / proteasome core complex / Cross-presentation of soluble exogenous antigens (endosomes) / : / proteasome core complex assembly / Somitogenesis / myofibril / immune system process / proteasome binding / mitotic spindle assembly checkpoint signaling / NF-kappaB binding / chaperone-mediated protein complex assembly / proteasome assembly / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / proteasome core complex, alpha-subunit complex / threonine-type endopeptidase activity / sarcomere / proteasome complex / ciliary basal body / Regulation of activated PAK-2p34 by proteasome mediated degradation / proteolysis involved in protein catabolic process / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / Asymmetric localization of PCP proteins / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / Ubiquitin-dependent degradation of Cyclin D / AUF1 (hnRNP D0) binds and destabilizes mRNA / TNFR2 non-canonical NF-kB pathway / Vpu mediated degradation of CD4 / Assembly of the pre-replicative complex / Degradation of DVL / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / negative regulation of inflammatory response to antigenic stimulus / lipopolysaccharide binding / Hh mutants are degraded by ERAD / Degradation of AXIN / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Hedgehog ligand biogenesis / G2/M Checkpoints / Defective CFTR causes cystic fibrosis / Negative regulation of NOTCH4 signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / P-body / Autodegradation of the E3 ubiquitin ligase COP1 / Vif-mediated degradation of APOBEC3G / Regulation of RUNX3 expression and activity / Hedgehog 'on' state / 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 / MAPK6/MAPK4 signaling / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / response to virus / Degradation of beta-catenin by the destruction complex / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / ABC-family proteins mediated transport / response to organic cyclic compound / CDK-mediated phosphorylation and removal of Cdc6 / CLEC7A (Dectin-1) signaling / SCF(Skp2)-mediated degradation of p27/p21 / Regulation of expression of SLITs and ROBOs / nuclear matrix / FCERI mediated NF-kB activation / Regulation of PTEN stability and activity / Interleukin-1 signaling / Orc1 removal from chromatin / Regulation of RAS by GAPs / Separation of Sister Chromatids / Regulation of RUNX2 expression and activity / The role of GTSE1 in G2/M progression after G2 checkpoint / UCH proteinases / KEAP1-NFE2L2 pathway / Antigen processing: Ubiquitination & Proteasome degradation / Downstream TCR signaling / peptidase activity / positive regulation of NF-kappaB transcription factor activity / RUNX1 regulates transcription of genes involved in differentiation of HSCs / Neddylation / ER-Phagosome pathway / regulation of inflammatory response / secretory granule lumen / proteasome-mediated ubiquitin-dependent protein catabolic process / endopeptidase activity / ficolin-1-rich granule lumen / response to oxidative stress / postsynapse / molecular adaptor activity / nuclear body / Ub-specific processing proteases / ribosome / nuclear speck 類似検索 - 分子機能 | |||||||||||||||
生物種 | Homo sapiens (ヒト) | |||||||||||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.88 Å | |||||||||||||||
データ登録者 | Schulman, B.A. / Hanna, J.W. / Harper, J.W. / Adolf, F. / Du, J. / Rawson, S.D. / Walsh Jr, R.M. / Goodall, E.A. | |||||||||||||||
資金援助 | ドイツ, 米国, 4件
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引用 | ジャーナル: Nat Struct Mol Biol / 年: 2024 タイトル: Visualizing chaperone-mediated multistep assembly of the human 20S proteasome. 著者: Frank Adolf / Jiale Du / Ellen A Goodall / Richard M Walsh / Shaun Rawson / Susanne von Gronau / J Wade Harper / John Hanna / Brenda A Schulman / 要旨: Dedicated assembly factors orchestrate the stepwise production of many molecular machines, including the 28-subunit proteasome core particle (CP) that mediates protein degradation. Here we report ...Dedicated assembly factors orchestrate the stepwise production of many molecular machines, including the 28-subunit proteasome core particle (CP) that mediates protein degradation. Here we report cryo-electron microscopy reconstructions of seven recombinant human subcomplexes that visualize all five chaperones and the three active site propeptides across a wide swath of the assembly pathway. Comparison of these chaperone-bound intermediates and a matching mature CP reveals molecular mechanisms determining the order of successive subunit additions, as well as how proteasome subcomplexes and assembly factors structurally adapt upon progressive subunit incorporation to stabilize intermediates, facilitate the formation of subsequent intermediates and ultimately rearrange to coordinate proteolytic activation with gated access to active sites. This work establishes a methodologic approach for structural analysis of multiprotein complex assembly intermediates, illuminates specific functions of assembly factors and reveals conceptual principles underlying human proteasome biogenesis, thus providing an explanation for many previous biochemical and genetic observations. #1: ジャーナル: bioRxiv / 年: 2024 タイトル: Visualizing chaperone-mediated multistep assembly of the human 20S proteasome. 著者: Frank Adolf / Jiale Du / Ellen A Goodall / Richard M Walsh / Shaun Rawson / Susanne von Gronau / J Wade Harper / John Hanna / Brenda A Schulman / 要旨: Dedicated assembly factors orchestrate stepwise production of many molecular machines, including the 28-subunit proteasome core particle (CP) that mediates protein degradation. Here, we report cryo- ...Dedicated assembly factors orchestrate stepwise production of many molecular machines, including the 28-subunit proteasome core particle (CP) that mediates protein degradation. Here, we report cryo-EM reconstructions of seven recombinant human subcomplexes that visualize all five chaperones and the three active site propeptides across a wide swath of the assembly pathway. Comparison of these chaperone-bound intermediates and a matching mature CP reveals molecular mechanisms determining the order of successive subunit additions, and how proteasome subcomplexes and assembly factors structurally adapt upon progressive subunit incorporation to stabilize intermediates, facilitate the formation of subsequent intermediates, and ultimately rearrange to coordinate proteolytic activation with gated access to active sites. The structural findings reported here explain many previous biochemical and genetic observations. This work establishes a methodologic approach for structural analysis of multiprotein complex assembly intermediates, illuminates specific functions of assembly factors, and reveals conceptual principles underlying human proteasome biogenesis. | |||||||||||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 8qyn.cif.gz | 658.1 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb8qyn.ent.gz | 528.3 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 8qyn.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
その他 | その他のダウンロード |
-検証レポート
文書・要旨 | 8qyn_validation.pdf.gz | 1.5 MB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 8qyn_full_validation.pdf.gz | 1.5 MB | 表示 | |
XML形式データ | 8qyn_validation.xml.gz | 99.7 KB | 表示 | |
CIF形式データ | 8qyn_validation.cif.gz | 155.6 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/qy/8qyn ftp://data.pdbj.org/pub/pdb/validation_reports/qy/8qyn | HTTPS FTP |
-関連構造データ
関連構造データ | 18759MC 8qyjC 8qylC 8qymC 8qyoC 8qysC 8qz9C M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 (文献) |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-リンク
-集合体
登録構造単位 |
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-要素
-Proteasome subunit alpha type- ... , 7種, 7分子 ABCDEFG
#1: タンパク質 | 分子量: 25927.535 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA2, HC3, PSC3 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P25787 |
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#2: タンパク質 | 分子量: 29525.842 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA4, HC9, PSC9 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P25789 |
#3: タンパク質 | 分子量: 27929.891 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA7, HSPC / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: O14818 |
#4: タンパク質 | 分子量: 26462.016 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA5 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P28066 |
#5: タンパク質 | 分子量: 29621.662 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA1 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P25786 |
#6: タンパク質 | 分子量: 28469.252 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA3, HC8, PSC8 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P25788 |
#7: タンパク質 | 分子量: 27432.459 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMA6, PROS27 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P60900 |
-タンパク質 , 1種, 1分子 H
#8: タンパク質 | 分子量: 15831.030 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: POMP / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: Q9Y244 |
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-Proteasome assembly chaperone ... , 2種, 2分子 IJ
#9: タンパク質 | 分子量: 32891.887 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMG1, C21LRP, DSCR2, PAC1 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: O95456 |
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#10: タンパク質 | 分子量: 29449.080 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMG2 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: Q969U7 |
-Proteasome subunit beta type- ... , 7種, 7分子 KLMNOPQ
#11: タンパク質 | 分子量: 35490.406 Da / 分子数: 1 / 由来タイプ: 組換発現 詳細: Where the identity of amino acids cannot be confidently assign, these are modelled as unknown (UNK) 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB7 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: Q99436 |
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#12: タンパク質 | 分子量: 22972.896 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB3 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P49720, proteasome endopeptidase complex |
#13: タンパク質 | 分子量: 22890.314 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB2 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P49721 |
#14: タンパク質 | 分子量: 28536.283 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB5 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P28074 |
#15: タンパク質 | 分子量: 26522.396 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB1, PSC5 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P20618, proteasome endopeptidase complex |
#16: タンパク質 | 分子量: 29219.123 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB4, PROS26 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P28070 |
#17: タンパク質 | 分子量: 25335.572 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSMB6 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P28072 |
-詳細
研究の焦点であるリガンドがあるか | N |
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Has protein modification | Y |
-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
-試料調製
構成要素 | 名称: Human 20S proteasome assembly intermediate map 5 / タイプ: COMPLEX / Entity ID: all / 由来: RECOMBINANT |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
由来(組換発現) | 生物種: Trichoplusia ni (イラクサキンウワバ) |
緩衝液 | pH: 7.5 |
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
急速凍結 | 凍結剤: ETHANE-PROPANE |
-電子顕微鏡撮影
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS |
電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2600 nm / 最小 デフォーカス(公称値): 1000 nm |
撮影 | 電子線照射量: 66.9 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
-解析
EMソフトウェア | 名称: SerialEM / カテゴリ: 画像取得 | ||||||||||||||||||||||||
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3次元再構成 | 解像度: 2.88 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 45700 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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