- EMDB-36645: Cryo-EM structure of human 26S RP (Eb state) bound to K11/K48-bra... -
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データベース: EMDB / ID: EMD-36645
タイトル
Cryo-EM structure of human 26S RP (Eb state) bound to K11/K48-branched ubiquitin (Ub) chain composed of four Ub.
マップデータ
Composite sharpened cryo-EM map of human 26S RP (Eb state) bound to K11/K48-branched ubiquitin (Ub) chain composed of four Ub.
試料
複合体: Human 26S proteasome
複合体: 19S regulatory particle (RP) of human 26S proteasome
複合体: AAA+-ATPase of 19S regulatory particle (RP) of human 26S proteasome
タンパク質・ペプチド: x 6種
タンパク質・ペプチド: x 12種
複合体: alpha subunits of the 20S core particle (CP) of human 26S proteasome
タンパク質・ペプチド: x 7種
複合体: K11/K48-branched ubiquitin (Ub) chain composed of four Ub.
タンパク質・ペプチド: x 1種
リガンド: x 3種
キーワード
protein degradation / macromolecular complex / ubiquitin-proteasome system / CYTOSOLIC PROTEIN
機能・相同性
機能・相同性情報
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 / polyubiquitin modification-dependent protein binding / blastocyst development / 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 / proteasome complex / NIK-->noncanonical NF-kB signaling / SCF-beta-TrCP mediated degradation of Emi1 / 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 / sarcomere / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / 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 / double-strand break repair via homologous recombination / 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 / 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
複合体: alpha subunits of the 20S core particle (CP) of human 26S proteasome
タンパク質・ペプチド: Proteasome subunit alpha type-6
タンパク質・ペプチド: Proteasome subunit alpha type-2
タンパク質・ペプチド: Proteasome subunit alpha type-4
タンパク質・ペプチド: Proteasome subunit alpha type-7
タンパク質・ペプチド: Proteasome subunit alpha type-5
タンパク質・ペプチド: Proteasome subunit alpha type-1
タンパク質・ペプチド: Proteasome subunit alpha type-3
複合体: K11/K48-branched ubiquitin (Ub) chain composed of four Ub.
タンパク質・ペプチド: Polyubiquitin-B
リガンド: ADENOSINE-5'-TRIPHOSPHATE
リガンド: MAGNESIUM ION
リガンド: ADENOSINE-5'-DIPHOSPHATE
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超分子 #1: Human 26S proteasome
超分子
名称: Human 26S proteasome / タイプ: complex / ID: 1 / 親要素: 0 含まれる分子: #1-#4, #7-#13, #15-#18, #20-#22, #5-#6, #14, #19, #23-#26 詳細: Images of double-capped (RP-CP-RP) 26S proteasome particles were split in half. After combining with subset of single-capped (RP-CP) complexes the signal in particle images was partially ...詳細: Images of double-capped (RP-CP-RP) 26S proteasome particles were split in half. After combining with subset of single-capped (RP-CP) complexes the signal in particle images was partially subtracted leaving only the signal of 19S RP together with alpha subunits of the 20S CP proteasomal subcomplex.
分子量
理論値: 2.5 MDa
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超分子 #2: 19S regulatory particle (RP) of human 26S proteasome
モデルのタイプ: INSILICO MODEL In silico モデル: Generated by cryoSPARC using Ab-initio Reconstruction job type.
最終 再構成
使用したクラス数: 1 / 想定した対称性 - 点群: C1 (非対称) / アルゴリズム: FOURIER SPACE / 解像度のタイプ: BY AUTHOR / 解像度: 3.8 Å / 解像度の算出法: FSC 0.143 CUT-OFF / ソフトウェア - 名称: cryoSPARC (ver. 3.1) 詳細: Performed in cryoSPARC using Non-uniform Refinment job type. Some parts of the map were then improved by using focused local refinement. 使用した粒子像数: 52216
初期 角度割当
タイプ: MAXIMUM LIKELIHOOD / ソフトウェア - 名称: RELION (ver. 3.1) / 詳細: Performed in Relion.
最終 角度割当
タイプ: MAXIMUM LIKELIHOOD / ソフトウェア - 名称: cryoSPARC (ver. 3.1) 詳細: Performed in cryoSPARC using Non-uniform Refinement and Local Refinement job type.
最終 3次元分類
クラス数: 6 / ソフトウェア - 名称: cryoSPARC (ver. 3.1) 詳細: 3D variability analysis (3DVA) followed by Heterogenous refinement using 3DVA cluster volumes as starting references.