- EMDB-9508: Cryo-EM map of the human 26S proteasome with C1 symmetry -
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基本情報
登録情報
データベース: EMDB / ID: EMD-9508
タイトル
Cryo-EM map of the human 26S proteasome with C1 symmetry
マップデータ
overall map at 3.8A, apply C1 symmetry
試料
複合体: human 26S proteasome
機能・相同性
機能・相同性情報
positive regulation of inclusion body assembly / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / thyrotropin-releasing hormone receptor binding / modulation by host of viral transcription / 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 / integrator complex / proteasome accessory complex / purine ribonucleoside triphosphate binding / meiosis I ...positive regulation of inclusion body assembly / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / thyrotropin-releasing hormone receptor binding / modulation by host of viral transcription / 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 / integrator complex / proteasome accessory complex / purine ribonucleoside triphosphate binding / meiosis I / positive regulation of proteasomal protein catabolic process / proteasome regulatory particle / cytosolic proteasome complex / proteasome regulatory particle, lid subcomplex / proteasome-activating activity / metal-dependent deubiquitinase activity / protein K63-linked deubiquitination / proteasome regulatory particle, base subcomplex / regulation of endopeptidase activity / negative regulation of programmed cell death / 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 / Homologous DNA Pairing and Strand Exchange / proteasome core complex / Regulation of ornithine decarboxylase (ODC) / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / Resolution of D-loop Structures through Holliday Junction Intermediates / Cross-presentation of soluble exogenous antigens (endosomes) / Somitogenesis / K63-linked deubiquitinase activity / Impaired BRCA2 binding to RAD51 / immune system process / myofibril / proteasome binding / regulation of protein catabolic process / proteasome storage granule / Presynaptic phase of homologous DNA pairing and strand exchange / blastocyst development / transcription factor binding / general transcription initiation factor binding / NF-kappaB binding / endopeptidase activator activity / proteasome assembly / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / polyubiquitin modification-dependent protein binding / proteasome core complex, alpha-subunit complex / threonine-type endopeptidase activity / positive regulation of RNA polymerase II transcription preinitiation complex assembly / mRNA export from nucleus / regulation of proteasomal protein catabolic process / enzyme regulator activity / ERAD pathway / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / inclusion body / negative regulation of inflammatory response to antigenic stimulus / : / sarcomere / proteasome complex / Regulation of activated PAK-2p34 by proteasome mediated degradation / ciliary basal body / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / 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 / AUF1 (hnRNP D0) binds and destabilizes mRNA / NIK-->noncanonical NF-kB signaling / Ubiquitin-dependent degradation of Cyclin D / TNFR2 non-canonical NF-kB pathway / Assembly of the pre-replicative complex / Vpu mediated degradation of CD4 / Degradation of DVL / stem cell differentiation / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / Dectin-1 mediated noncanonical NF-kB signaling / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Hh mutants are degraded by ERAD / lipopolysaccharide binding / Degradation of AXIN / Degradation of GLI1 by the proteasome / Activation of NF-kappaB in B cells / Hedgehog ligand biogenesis / Defective CFTR causes cystic fibrosis / Negative regulation of NOTCH4 signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / G2/M Checkpoints / Vif-mediated degradation of APOBEC3G / Autodegradation of the E3 ubiquitin ligase COP1 / Hedgehog 'on' state / Regulation of RUNX3 expression and activity / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / double-strand break repair via homologous recombination / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / P-body / MAPK6/MAPK4 signaling / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 類似検索 - 分子機能
ジャーナル: Nat Struct Mol Biol / 年: 2016 タイトル: An atomic structure of the human 26S proteasome. 著者: Xiuliang Huang / Bai Luan / Jianping Wu / Yigong Shi / 要旨: We report the cryo-EM structure of the human 26S proteasome at an average resolution of 3.5 Å, allowing atomic modeling of 28 subunits in the core particle (CP) and 18 subunits in the regulatory ...We report the cryo-EM structure of the human 26S proteasome at an average resolution of 3.5 Å, allowing atomic modeling of 28 subunits in the core particle (CP) and 18 subunits in the regulatory particle (RP). The C-terminal residues of Rpt3 and Rpt5 subunits in the RP can be seen inserted into surface pockets formed between adjacent α subunits in the CP. Each of the six Rpt subunits contains a bound nucleotide, and the central gate of the CP α-ring is closed despite RP association. The six pore 1 loops in the Rpt ring are arranged similarly to a spiral staircase along the axial channel of substrate transport, which is constricted by the pore 2 loops. We also determined the cryo-EM structure of the human proteasome bound to the deubiquitinating enzyme USP14 at 4.35-Å resolution. Together, our structures provide a framework for mechanistic understanding of eukaryotic proteasome function.