Cdc48-Ufd1/Npl4 complex processing poly-ubiquitinated substrate in the presence of ATP
Map data
Composite map, sharpened with a B factor of -150
Sample
Complex: Cdc48-Npl4 complex processing poly-ubiquitinated substrate in the presence of ATP
Protein or peptide: Cell division control protein 48
Protein or peptide: Ubiquitin
Protein or peptide: Nuclear protein localization protein 4
Ligand: ADENOSINE-5'-TRIPHOSPHATE
Ligand: ADENOSINE-5'-DIPHOSPHATE
Ligand: ZINC ION
Keywords
ATPase / ATPase complex / ubiquitin / quality control / MOTOR PROTEIN
Function / homology
Function and homology information
SCF complex disassembly in response to cadmium stress / Ovarian tumor domain proteases / endoplasmic reticulum membrane fusion / Cdc48p-Npl4p-Vms1p AAA ATPase complex / Doa10p ubiquitin ligase complex / DNA replication termination / stress-induced homeostatically regulated protein degradation pathway / positive regulation of mitochondrial fusion / sister chromatid biorientation / ribophagy ...SCF complex disassembly in response to cadmium stress / Ovarian tumor domain proteases / endoplasmic reticulum membrane fusion / Cdc48p-Npl4p-Vms1p AAA ATPase complex / Doa10p ubiquitin ligase complex / DNA replication termination / stress-induced homeostatically regulated protein degradation pathway / positive regulation of mitochondrial fusion / sister chromatid biorientation / ribophagy / cytoplasm protein quality control by the ubiquitin-proteasome system / Hrd1p ubiquitin ligase ERAD-L complex / RQC complex / protein localization to vacuole / protein-containing complex disassembly / mitochondria-associated ubiquitin-dependent protein catabolic process / nuclear protein quality control by the ubiquitin-proteasome system / HSF1 activation / protein transport to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway / nonfunctional rRNA decay / protein phosphatase regulator activity / Translesion Synthesis by POLH / piecemeal microautophagy of the nucleus / mating projection tip / Protein methylation / vesicle-fusing ATPase / mitotic spindle disassembly / VCP-NPL4-UFD1 AAA ATPase complex / replisome / ribosome-associated ubiquitin-dependent protein catabolic process / nuclear outer membrane-endoplasmic reticulum membrane network / retrograde protein transport, ER to cytosol / KEAP1-NFE2L2 pathway / Neddylation / protein quality control for misfolded or incompletely synthesized proteins / autophagosome maturation / ribosomal large subunit export from nucleus / polyubiquitin modification-dependent protein binding / mRNA transport / ERAD pathway / ATP metabolic process / Neutrophil degranulation / rescue of stalled ribosome / ubiquitin binding / macroautophagy / ribosomal large subunit assembly / positive regulation of protein localization to nucleus / modification-dependent protein catabolic process / protein tag activity / ribosome biogenesis / ubiquitin-dependent protein catabolic process / nuclear membrane / proteasome-mediated ubiquitin-dependent protein catabolic process / cytosolic large ribosomal subunit / cytoplasmic translation / protein ubiquitination / structural constituent of ribosome / ubiquitin protein ligase binding / endoplasmic reticulum membrane / perinuclear region of cytoplasm / ATP hydrolysis activity / mitochondrion / ATP binding / identical protein binding / nucleus / cytoplasm / cytosol Similarity search - Function
NPL4, zinc-binding putative / Nuclear protein localization protein 4 / NPL4 family, putative zinc binding region / Nuclear pore localisation protein NPL4, C-terminal / NPL4 family / 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 ...NPL4, zinc-binding putative / Nuclear protein localization protein 4 / NPL4 family, putative zinc binding region / Nuclear pore localisation protein NPL4, C-terminal / NPL4 family / 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 / Ribosomal L40e family / Ribosomal_L40e / Ribosomal protein L40e / Ribosomal protein L40e superfamily / AAA ATPase, AAA+ lid domain / AAA+ lid domain / ATPase, AAA-type, conserved site / AAA-protein family signature. / MPN domain / MPN domain profile. / ATPase family associated with various cellular activities (AAA) / ATPase, AAA-type, core / Ubiquitin domain signature. / Ubiquitin conserved site / Ubiquitin domain / Ubiquitin family / Ubiquitin homologues / Ubiquitin domain profile. / Ubiquitin-like domain / Ubiquitin-like domain superfamily / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase Similarity search - Domain/homology
Ubiquitin-ribosomal protein eL40A fusion protein / Cell division control protein 48 / Nuclear protein localization protein 4 Similarity search - Component
Biological species
Saccharomyces cerevisiae (brewer's yeast)
Method
single particle reconstruction / cryo EM / Resolution: 3.9 Å
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
R01GM052586
United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
T32GM007753
United States
Citation
Journal: Science / Year: 2019 Title: Substrate processing by the Cdc48 ATPase complex is initiated by ubiquitin unfolding. Authors: Edward C Twomey / Zhejian Ji / Thomas E Wales / Nicholas O Bodnar / Scott B Ficarro / Jarrod A Marto / John R Engen / Tom A Rapoport / Abstract: The Cdc48 adenosine triphosphatase (ATPase) (p97 or valosin-containing protein in mammals) and its cofactor Ufd1/Npl4 extract polyubiquitinated proteins from membranes or macromolecular complexes for ...The Cdc48 adenosine triphosphatase (ATPase) (p97 or valosin-containing protein in mammals) and its cofactor Ufd1/Npl4 extract polyubiquitinated proteins from membranes or macromolecular complexes for subsequent degradation by the proteasome. How Cdc48 processes its diverse and often well-folded substrates is unclear. Here, we report cryo-electron microscopy structures of the Cdc48 ATPase in complex with Ufd1/Npl4 and polyubiquitinated substrate. The structures show that the Cdc48 complex initiates substrate processing by unfolding a ubiquitin molecule. The unfolded ubiquitin molecule binds to Npl4 and projects its N-terminal segment through both hexameric ATPase rings. Pore loops of the second ring form a staircase that acts as a conveyer belt to move the polypeptide through the central pore. Inducing the unfolding of ubiquitin allows the Cdc48 ATPase complex to process a broad range of substrates.
History
Deposition
Mar 15, 2019
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Header (metadata) release
Jul 3, 2019
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Map release
Jul 3, 2019
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Update
Mar 20, 2024
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Current status
Mar 20, 2024
Processing site: RCSB / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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