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- EMDB-33613: The cryo-EM structure of human ERAD retro-translocation complex -

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Basic information

Entry
Database: EMDB / ID: EMD-33613
TitleThe cryo-EM structure of human ERAD retro-translocation complex
Map data
Sample
  • Complex: The cryo-EM structure of human ERAD retro-translocation complex
    • Protein or peptide: Derlin-1
    • Protein or peptide: Transitional endoplasmic reticulum ATPase
  • Ligand: ADENOSINE-5'-TRIPHOSPHATE
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
KeywordsERAD / MEMBRANE PROTEIN
Function / homology
Function and homology information


Derlin-1-VIMP complex / Hrd1p ubiquitin ligase ERAD-L complex / endoplasmic reticulum quality control compartment / signal recognition particle binding / misfolded protein binding / positive regulation of Lys63-specific deubiquitinase activity / flavin adenine dinucleotide catabolic process / positive regulation of oxidative phosphorylation / VCP-NSFL1C complex / protein-DNA covalent cross-linking repair ...Derlin-1-VIMP complex / Hrd1p ubiquitin ligase ERAD-L complex / endoplasmic reticulum quality control compartment / signal recognition particle binding / misfolded protein binding / positive regulation of Lys63-specific deubiquitinase activity / flavin adenine dinucleotide catabolic process / positive regulation of oxidative phosphorylation / VCP-NSFL1C complex / protein-DNA covalent cross-linking repair / endoplasmic reticulum stress-induced pre-emptive quality control / endosome to lysosome transport via multivesicular body sorting pathway / cellular response to arsenite ion / Derlin-1 retrotranslocation complex / BAT3 complex binding / positive regulation of protein K63-linked deubiquitination / deubiquitinase activator activity / aggresome assembly / regulation of protein localization to chromatin / vesicle-fusing ATPase / mitotic spindle disassembly / VCP-NPL4-UFD1 AAA ATPase complex / NADH metabolic process / cellular response to misfolded protein / stress granule disassembly / K48-linked polyubiquitin modification-dependent protein binding / positive regulation of mitochondrial membrane potential / negative regulation of protein localization to chromatin / ubiquitin-modified protein reader activity / retrograde protein transport, ER to cytosol / regulation of aerobic respiration / positive regulation of ATP biosynthetic process / regulation of synapse organization / ATPase complex / ubiquitin-specific protease binding / ubiquitin-like protein ligase binding / MHC class I protein binding / RHOH GTPase cycle / autophagosome maturation / response to unfolded protein / HSF1 activation / polyubiquitin modification-dependent protein binding / proteasomal protein catabolic process / Protein methylation / endoplasmic reticulum to Golgi vesicle-mediated transport / translesion synthesis / interstrand cross-link repair / negative regulation of smoothened signaling pathway / ERAD pathway / ATP metabolic process / endoplasmic reticulum unfolded protein response / Attachment and Entry / viral genome replication / proteasome complex / lipid droplet / Josephin domain DUBs / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / positive regulation of protein ubiquitination / Hh mutants are degraded by ERAD / macroautophagy / Hedgehog ligand biogenesis / Defective CFTR causes cystic fibrosis / Translesion Synthesis by POLH / protein destabilization / positive regulation of protein-containing complex assembly / establishment of protein localization / ABC-family proteins mediated transport / ADP binding / autophagy / Aggrephagy / cytoplasmic stress granule / positive regulation of non-canonical NF-kappaB signal transduction / positive regulation of protein catabolic process / activation of cysteine-type endopeptidase activity involved in apoptotic process / KEAP1-NFE2L2 pathway / azurophil granule lumen / double-strand break repair / Ovarian tumor domain proteases / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / positive regulation of canonical Wnt signaling pathway / late endosome / E3 ubiquitin ligases ubiquitinate target proteins / Neddylation / signaling receptor activity / site of double-strand break / cellular response to heat / ATPase binding / ubiquitin-dependent protein catabolic process / regulation of apoptotic process / protein phosphatase binding / proteasome-mediated ubiquitin-dependent protein catabolic process / secretory granule lumen / protease binding / ficolin-1-rich granule lumen / Attachment and Entry / early endosome / protein ubiquitination / protein domain specific binding / intracellular membrane-bounded organelle / DNA repair
Similarity search - Function
Derlin / Der1-like family / Rhomboid-like superfamily / AAA ATPase, CDC48 family / Cell division protein 48 (CDC48), N-terminal domain / CDC48, N-terminal subdomain / Cell division protein 48 (CDC48) N-terminal domain / CDC48, domain 2 / Cell division protein 48 (CDC48), domain 2 / Cell division protein 48 (CDC48) domain 2 ...Derlin / Der1-like family / Rhomboid-like superfamily / AAA ATPase, CDC48 family / Cell division protein 48 (CDC48), N-terminal domain / CDC48, N-terminal subdomain / Cell division protein 48 (CDC48) N-terminal domain / CDC48, domain 2 / Cell division protein 48 (CDC48), domain 2 / Cell division protein 48 (CDC48) domain 2 / CDC48 domain 2-like superfamily / Aspartate decarboxylase-like domain superfamily / AAA ATPase, AAA+ lid domain / AAA+ lid domain / ATPase, AAA-type, conserved site / AAA-protein family signature. / ATPase family associated with various cellular activities (AAA) / ATPase, AAA-type, core / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Transitional endoplasmic reticulum ATPase / Derlin-1
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.51 Å
AuthorsCao Y / Rao B / Wang Q / Yao D / Xia Y / Li W / Li S / Shen Y
Funding support China, 2 items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China)2018YFC1004704 China
National Natural Science Foundation of China (NSFC)82072468(YC) China
CitationJournal: Sci Adv / Year: 2023
Title: The cryo-EM structure of the human ERAD retrotranslocation complex.
Authors: Bing Rao / Qian Wang / Deqiang Yao / Ying Xia / Wenguo Li / Yuming Xie / Shaobai Li / Mi Cao / Yafeng Shen / An Qin / Jie Zhao / Yu Cao /
Abstract: Endoplasmic reticulum-associated degradation (ERAD) maintains protein homeostasis by retrieving misfolded proteins from the endoplasmic reticulum (ER) lumen into the cytosol for degradation. The ...Endoplasmic reticulum-associated degradation (ERAD) maintains protein homeostasis by retrieving misfolded proteins from the endoplasmic reticulum (ER) lumen into the cytosol for degradation. The retrotranslocation of misfolded proteins across the ER membrane is an energy-consuming process, with the detailed transportation mechanism still needing clarification. We determined the cryo-EM structures of the hetero-decameric complex formed by the Derlin-1 tetramer and the p97 hexamer. It showed an intriguing asymmetric complex and a putative coordinated squeezing movement in Derlin-1 and p97 parts. With the conformational changes of p97 induced by its ATP hydrolysis activities, the Derlin-1 channel could be torn into a "U" shape with a large opening to the lipidic environment, thereby forming an entry for the substrates in the ER membrane. The EM analysis showed that p97 formed a functional protein complex with Derlin-1, revealing the coupling mechanism between the ERAD retrotranslocation and the ATP hydrolysis activities.
History
DepositionJun 16, 2022-
Header (metadata) releaseOct 18, 2023-
Map releaseOct 18, 2023-
UpdateApr 3, 2024-
Current statusApr 3, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_33613.png

Downloads & links

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Map

FileDownload / File: emd_33613.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.1 Å
Density
Contour LevelBy AUTHOR: 0.25
Minimum - Maximum-0.8475931 - 1.4078518
Average (Standard dev.)0.0027145438 (±0.0485249)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 352.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_33613_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_33613_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : The cryo-EM structure of human ERAD retro-translocation complex

EntireName: The cryo-EM structure of human ERAD retro-translocation complex
Components
  • Complex: The cryo-EM structure of human ERAD retro-translocation complex
    • Protein or peptide: Derlin-1
    • Protein or peptide: Transitional endoplasmic reticulum ATPase
  • Ligand: ADENOSINE-5'-TRIPHOSPHATE
  • Ligand: ADENOSINE-5'-DIPHOSPHATE

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Supramolecule #1: The cryo-EM structure of human ERAD retro-translocation complex

SupramoleculeName: The cryo-EM structure of human ERAD retro-translocation complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 650 KDa

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Macromolecule #1: Derlin-1

MacromoleculeName: Derlin-1 / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 30.606539 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MSDIGDWFRS IPAITRYWFA ATVAVPLVGK LGLISPAYLF LWPEAFLYRF QIWRPITATF YFPVGPGTGF LYLVNLYFLY QYSTRLETG AFDGRPADYL FMLLFNWICI VITGLAMDMQ LLMIPLIMSV LYVWAQLNRD MIVSFWFGTR FKACYLPWVI L GFNYIIGG ...String:
MSDIGDWFRS IPAITRYWFA ATVAVPLVGK LGLISPAYLF LWPEAFLYRF QIWRPITATF YFPVGPGTGF LYLVNLYFLY QYSTRLETG AFDGRPADYL FMLLFNWICI VITGLAMDMQ LLMIPLIMSV LYVWAQLNRD MIVSFWFGTR FKACYLPWVI L GFNYIIGG SVINELIGNL VGHLYFFLMF RYPMDLGGRN FLSTPQFLYR WLPSRRHNWG QGFRLGDQAA ALEVLFQGPS AW SHPQFEK GGGSGGGSGG SAWSHPQFEK

UniProtKB: Derlin-1

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Macromolecule #2: Transitional endoplasmic reticulum ATPase

MacromoleculeName: Transitional endoplasmic reticulum ATPase / type: protein_or_peptide / ID: 2 / Number of copies: 6 / Enantiomer: LEVO / EC number: vesicle-fusing ATPase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 87.546711 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MNRPNRLIVD EAINEDNSVV SLSQPKMDEL QLFRGDTVLL KGKKRREAVC IVLSDDTCSD EKIRMNRVVR NNLRVRLGDV ISIQPCPDV KYGKRIHVLP IDDTVEGITG NLFEVYLKPY FLEAYRPIRK GDIFLVRGGM RAVEFKVVET DPSPYCIVAP D TVIHCEGE ...String:
MNRPNRLIVD EAINEDNSVV SLSQPKMDEL QLFRGDTVLL KGKKRREAVC IVLSDDTCSD EKIRMNRVVR NNLRVRLGDV ISIQPCPDV KYGKRIHVLP IDDTVEGITG NLFEVYLKPY FLEAYRPIRK GDIFLVRGGM RAVEFKVVET DPSPYCIVAP D TVIHCEGE PIKREDEEES LNEVGYDDIG GCRKQLAQIK EMVELPLRHP ALFKAIGVKP PRGILLYGPP GTGKTLIARA VA NETGAFF FLINGPEIMS KLAGESESNL RKAFEEAEKN APAIIFIDEL DAIAPKREKT HGEVERRIVS QLLTLMDGLK QRA HVIVMA ATNRPNSIDP ALRRFGRFDR EVDIGIPDAT GRLEILQIHT KNMKLADDVD LEQVANETHG HVGADLAALC SEAA LQAIR KKMDLIDLED ETIDAEVMNS LAVTMDDFRW ALSQSNPSAL RETVVEVPQV TWEDIGGLED VKRELQELVQ YPVEH PDKF LKFGMTPSKG VLFYGPPGCG KTLLAKAIAN ECQANFISIK GPELLTMWFG ESEANVREIF DKARQAAPCV LFFDEL DSI AKARGGNIGD GGGAADRVIN QILTEMDGMS TKKNVFIIGA TNRPDIIDPA ILRPGRLDQL IYIPLPDEKS RVAILKA NL RKSPVAKDVD LEFLAKMTNG FSGADLTEIC QRACKLAIRE SIESEIRRER ERQTNPSAME VEEDDPVPEI RRDHFEEA M RFARRSVSDN DIRKYEMFAQ TLQQSRGFGS FRFPSGNQGG AGPSQGSGGG TGGSVYTEDN DDDLYG

UniProtKB: Transitional endoplasmic reticulum ATPase

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Macromolecule #3: ADENOSINE-5'-TRIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-TRIPHOSPHATE / type: ligand / ID: 3 / Number of copies: 6 / Formula: ATP
Molecular weightTheoretical: 507.181 Da
Chemical component information

ChemComp-ATP:
ADENOSINE-5'-TRIPHOSPHATE / ATP, energy-carrying molecule*YM

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Macromolecule #4: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 4 / Number of copies: 6 / Formula: ADP
Molecular weightTheoretical: 427.201 Da
Chemical component information

ChemComp-ADP:
ADENOSINE-5'-DIPHOSPHATE / ADP, energy-carrying molecule*YM

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration15 mg/mL
BufferpH: 7.5
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 90 sec. / Pretreatment - Atmosphere: AIR
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 281.15 K

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 15 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average exposure time: 2.9 sec. / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.5 µm / Nominal magnification: 81000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: INSILICO MODEL
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 4.51 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 62905
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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