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Yorodumi- EMDB-63943: Substrate-free human 26S proteasome purified by midnolin, 20S pro... -
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Basic information
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| Title | Substrate-free human 26S proteasome purified by midnolin, 20S proteasome, RPTs and RPN11 part | |||||||||
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Keywords | Midnolin / 26S proteasome / Complex / HYDROLASE | |||||||||
| Function / homology | Function and homology informationthyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / positive regulation of inclusion body assembly / proteasome accessory complex / purine ribonucleoside triphosphate binding / cytosolic proteasome complex / positive regulation of proteasomal protein catabolic process / proteasome-activating activity / Antigen processing: Ub, ATP-independent proteasomal degradation ...thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / positive regulation of inclusion body assembly / proteasome accessory complex / purine ribonucleoside triphosphate binding / cytosolic proteasome complex / positive regulation of proteasomal protein catabolic process / proteasome-activating activity / Antigen processing: Ub, ATP-independent proteasomal degradation / proteasome regulatory particle, lid subcomplex / proteasome regulatory particle, base subcomplex / sperm glycocalyx / protein K63-linked deubiquitination / negative regulation of programmed cell death / Regulation of ornithine decarboxylase (ODC) / metal-dependent deubiquitinase activity / perinuclear theca / Proteasome assembly / proteasome core complex / Cross-presentation of soluble exogenous antigens (endosomes) / Somitogenesis / K63-linked deubiquitinase activity / transcription factor binding / proteasome binding / myofibril / proteasomal ubiquitin-independent protein catabolic process / sperm head-tail coupling apparatus / general transcription initiation factor binding / protein deubiquitination / blastocyst development / immune system process / NF-kappaB binding / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / endopeptidase activator activity / threonine-type endopeptidase activity / proteasome assembly / proteasome core complex, alpha-subunit complex / regulation of proteasomal protein catabolic process / inclusion body / ciliary tip / : / proteasome complex / TBP-class protein binding / sarcomere / Regulation of activated PAK-2p34 by proteasome mediated degradation / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / sperm end piece / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / centriole / negative regulation of inflammatory response to antigenic stimulus / P-body / Assembly of the pre-replicative complex / Vpu mediated degradation of CD4 / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Degradation of DVL / lipopolysaccharide binding / Dectin-1 mediated noncanonical NF-kB signaling / Degradation of CRY and PER proteins / Degradation of AXIN / Hh mutants are degraded by ERAD / Activation of NF-kappaB in B cells / G2/M Checkpoints / Hedgehog ligand biogenesis / Degradation of GLI1 by the proteasome / Defective CFTR causes cystic fibrosis / Autodegradation of the E3 ubiquitin ligase COP1 / Regulation of RUNX3 expression and activity / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Negative regulation of NOTCH4 signaling / Hedgehog 'on' state / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / Vif-mediated degradation of APOBEC3G / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / MAPK6/MAPK4 signaling / Degradation of CDH1 / double-strand break repair via homologous recombination / Degradation of beta-catenin by the destruction complex / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / ABC-family proteins mediated transport / double-strand break repair via nonhomologous end joining / CDK-mediated phosphorylation and removal of Cdc6 / CLEC7A (Dectin-1) signaling / SCF(Skp2)-mediated degradation of p27/p21 / FCERI mediated NF-kB activation / response to virus / Metalloprotease DUBs / Regulation of expression of SLITs and ROBOs / nuclear matrix Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.17 Å | |||||||||
Authors | Zhu C / Qin L / Liang L | |||||||||
| Funding support | China, 1 items
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Citation | Journal: Nat Commun / Year: 2026Title: Structural dynamics of the midnolin-proteasome during ubiquitin-independent substrate turnover Authors: Zhu C / Qin L | |||||||||
| History |
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Structure visualization
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Downloads & links
-EMDB archive
| Map data | emd_63943.map.gz | 776.8 MB | EMDB map data format | |
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| Header (meta data) | emd-63943-v30.xml emd-63943.xml | 39 KB 39 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_63943_fsc.xml | 19.8 KB | Display | FSC data file |
| Images | emd_63943.png | 50.4 KB | ||
| Filedesc metadata | emd-63943.cif.gz | 10.3 KB | ||
| Others | emd_63943_half_map_1.map.gz emd_63943_half_map_2.map.gz | 764.4 MB 764.4 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-63943 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-63943 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9u7rMC ![]() 9mboC ![]() 9mbpC ![]() 9mbqC ![]() 9u3lC ![]() 9u4mC ![]() 9w39C ![]() 9wbgC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_63943.map.gz / Format: CCP4 / Size: 824 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.85 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Half map: #2
| File | emd_63943_half_map_1.map | ||||||||||||
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| Density Histograms |
-Half map: #1
| File | emd_63943_half_map_2.map | ||||||||||||
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| Density Histograms |
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Sample components
+Entire : 26S proteasome complexed with midnolin
+Supramolecule #1: 26S proteasome complexed with midnolin
+Macromolecule #1: 26S proteasome non-ATPase regulatory subunit 14
+Macromolecule #2: 26S proteasome regulatory subunit 7
+Macromolecule #3: 26S proteasome regulatory subunit 4
+Macromolecule #4: 26S proteasome regulatory subunit 8
+Macromolecule #5: 26S proteasome regulatory subunit 6B
+Macromolecule #6: Proteasome 26S subunit, ATPase 6
+Macromolecule #7: 26S proteasome regulatory subunit 6A
+Macromolecule #8: Proteasome subunit alpha type-6
+Macromolecule #9: Proteasome subunit alpha type-2
+Macromolecule #10: Proteasome subunit alpha type-4
+Macromolecule #11: Proteasome subunit alpha type-7
+Macromolecule #12: Proteasome subunit alpha type-5
+Macromolecule #13: Isoform Long of Proteasome subunit alpha type-1
+Macromolecule #14: Proteasome subunit alpha type-3
+Macromolecule #15: Proteasome subunit beta type-6
+Macromolecule #16: Proteasome subunit beta type-7
+Macromolecule #17: Proteasome subunit beta type-3
+Macromolecule #18: Proteasome subunit beta type-2
+Macromolecule #19: Proteasome subunit beta type-5
+Macromolecule #20: Proteasome subunit beta type-1
+Macromolecule #21: Proteasome subunit beta type-4
+Macromolecule #22: ZINC ION
+Macromolecule #23: ADENOSINE-5'-TRIPHOSPHATE
+Macromolecule #24: MAGNESIUM ION
+Macromolecule #25: ADENOSINE-5'-DIPHOSPHATE
+Macromolecule #26: N-[(benzyloxy)carbonyl]-L-leucyl-N-[(2S)-4-methyl-1-oxopentan-2-y...
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7.4 |
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| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 40.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.2 µm |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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About Yorodumi



Keywords
Homo sapiens (human)
Authors
China, 1 items
Citation
























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Processing
FIELD EMISSION GUN

