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- PDB-8ua0: Cdc48-Shp1 unfolding native substrate, Class 8 -

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Basic information

Entry
Database: PDB / ID: 8ua0
TitleCdc48-Shp1 unfolding native substrate, Class 8
Components
  • Cell division control protein 48
  • Substrate
KeywordsCHAPERONE / unfoldase / AAA ATPase / p97 / Cdc48
Function / homology
Function and homology information


SCF complex disassembly in response to cadmium stress / mitotic DNA replication termination / Ovarian tumor domain proteases / Cdc48p-Npl4p-Vms1p AAA ATPase complex / endoplasmic reticulum membrane fusion / Doa10p ubiquitin ligase complex / stress-induced homeostatically regulated protein degradation pathway / Hrd1p ubiquitin ligase ERAD-L complex / sister chromatid biorientation / ribophagy ...SCF complex disassembly in response to cadmium stress / mitotic DNA replication termination / Ovarian tumor domain proteases / Cdc48p-Npl4p-Vms1p AAA ATPase complex / endoplasmic reticulum membrane fusion / Doa10p ubiquitin ligase complex / stress-induced homeostatically regulated protein degradation pathway / Hrd1p ubiquitin ligase ERAD-L complex / sister chromatid biorientation / ribophagy / DNA replication termination / RQC complex / mitochondria-associated ubiquitin-dependent protein catabolic process / cytoplasm protein quality control by the ubiquitin-proteasome system / protein-containing complex disassembly / positive regulation of mitochondrial fusion / HSF1 activation / nuclear protein quality control by the ubiquitin-proteasome system / protein transport to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway / endosome to plasma membrane protein transport / protein phosphatase regulator activity / Translesion Synthesis by POLH / piecemeal microautophagy of the nucleus / mating projection tip / mitotic spindle disassembly / Protein methylation / VCP-NPL4-UFD1 AAA ATPase complex / vesicle-fusing ATPase / replisome / ribosome-associated ubiquitin-dependent protein catabolic process / retrograde protein transport, ER to cytosol / nonfunctional rRNA decay / KEAP1-NFE2L2 pathway / Neddylation / protein quality control for misfolded or incompletely synthesized proteins / polyubiquitin modification-dependent protein binding / autophagosome maturation / ATP metabolic process / ERAD pathway / rescue of stalled ribosome / Neutrophil degranulation / ubiquitin binding / macroautophagy / positive regulation of protein localization to nucleus / proteasome-mediated ubiquitin-dependent protein catabolic process / chromatin extrusion motor activity / ATP-dependent H2AZ histone chaperone activity / ATP-dependent H3-H4 histone complex chaperone activity / cohesin loader activity / DNA clamp loader activity / endoplasmic reticulum membrane / ATP hydrolysis activity / mitochondrion / ATP binding / identical protein binding / nucleus / cytosol
Similarity search - Function
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, 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
Chem-08T / ADENOSINE-5'-DIPHOSPHATE / Cell division control protein 48
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.5 Å
AuthorsCooney, I. / Schubert, H.L. / Cedeno, K. / Carson, R. / Fisher, O.N. / Price, J.C. / Hill, C.P. / Shen, P.S.
Funding support United States, 5items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35 GM133772 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)U54 AI170856 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01 GM112080 United States
National Institutes of Health/National Institute on Aging (NIH/NIA)R01 AG066874 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)F31 CA254427 United States
CitationJournal: Nat Commun / Year: 2024
Title: Visualization of the Cdc48 AAA+ ATPase protein unfolding pathway.
Authors: Ian Cooney / Heidi L Schubert / Karina Cedeno / Olivia N Fisher / Richard Carson / John C Price / Christopher P Hill / Peter S Shen /
Abstract: The Cdc48 AAA+ ATPase is an abundant and essential enzyme that unfolds substrates in multiple protein quality control pathways. The enzyme includes two conserved AAA+ ATPase motor domains, D1 and D2, ...The Cdc48 AAA+ ATPase is an abundant and essential enzyme that unfolds substrates in multiple protein quality control pathways. The enzyme includes two conserved AAA+ ATPase motor domains, D1 and D2, that assemble as hexameric rings with D1 stacked above D2. Here, we report an ensemble of native structures of Cdc48 affinity purified from budding yeast lysate in complex with the adaptor Shp1 in the act of unfolding substrate. Our analysis reveals a continuum of structural snapshots that spans the entire translocation cycle. These data uncover elements of Shp1-Cdc48 interactions and support a 'hand-over-hand' mechanism in which the sequential movement of individual subunits is closely coordinated. D1 hydrolyzes ATP and disengages from substrate prior to D2, while D2 rebinds ATP and re-engages with substrate prior to D1, thereby explaining the dominant role played by the D2 motor in substrate translocation/unfolding.
History
DepositionSep 20, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 6, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Cell division control protein 48
B: Cell division control protein 48
C: Cell division control protein 48
D: Cell division control protein 48
E: Cell division control protein 48
F: Cell division control protein 48
G: Substrate
hetero molecules


Theoretical massNumber of molelcules
Total (without water)558,80523
Polymers554,3357
Non-polymers4,47016
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein
Cell division control protein 48 / Cell division cycle protein 48 / Transitional endoplasmic reticulum ATPase homolog / Cdc48


Mass: 92106.914 Da / Num. of mol.: 6 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P25694, vesicle-fusing ATPase
#2: Protein/peptide Substrate


Mass: 1693.939 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Saccharomyces cerevisiae (brewer's yeast)
#3: Chemical
ChemComp-08T / [[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxy-tris(fluoranyl)beryllium


Mass: 492.201 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C10H14BeF3N5O10P2
#4: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: ADP, energy-carrying molecule*YM
Has ligand of interestY
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Cdc48-Shp1 Bound to Substrate / Type: COMPLEX / Entity ID: #1-#2 / Source: NATURAL
Molecular weightValue: 0.6 MDa / Experimental value: NO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 500 nm
Image recordingAverage exposure time: 2 sec. / Electron dose: 33 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM software
IDNameCategory
1cryoSPARCparticle selection
2cryoSPARCimage acquisition
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 4690491
3D reconstructionResolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 35398 / Symmetry type: POINT
Atomic model buildingProtocol: AB INITIO MODEL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00323213
ELECTRON MICROSCOPYf_angle_d0.70431580
ELECTRON MICROSCOPYf_dihedral_angle_d11.7383697
ELECTRON MICROSCOPYf_chiral_restr0.0453699
ELECTRON MICROSCOPYf_plane_restr0.0054179

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