|Entry||Database: EMDB / ID: EMD-24522|
|Title||Cryo-EM structure of human p97-R191Q mutant bound to ADP.|
|Sample||Full-length Hexameric p97-R191Q mutant.|
|Function / homology|
Function and homology information
flavin adenine dinucleotide catabolic process / positive regulation of Lys63-specific deubiquitinase activity / positive regulation of protein K63-linked deubiquitination / protein-DNA covalent cross-linking repair / ATPase complex / positive regulation of oxidative phosphorylation / VCP-NSFL1C complex / deubiquitinase activator activity / endosome to lysosome transport via multivesicular body sorting pathway / cellular response to arsenite ion ...flavin adenine dinucleotide catabolic process / positive regulation of Lys63-specific deubiquitinase activity / positive regulation of protein K63-linked deubiquitination / protein-DNA covalent cross-linking repair / ATPase complex / positive regulation of oxidative phosphorylation / VCP-NSFL1C complex / deubiquitinase activator activity / endosome to lysosome transport via multivesicular body sorting pathway / cellular response to arsenite ion / endoplasmic reticulum stress-induced pre-emptive quality control / Derlin-1 retrotranslocation complex / BAT3 complex binding / ERAD pathway / mitotic spindle disassembly / VCP-NPL4-UFD1 AAA ATPase complex / NADH metabolic process / aggresome assembly / regulation of protein localization to chromatin / vesicle-fusing ATPase / ER-associated misfolded protein catabolic process / K48-linked polyubiquitin modification-dependent protein binding / stress granule disassembly / positive regulation of mitochondrial membrane potential / retrograde protein transport, ER to cytosol / autophagosome maturation / regulation of aerobic respiration / MHC class I protein binding / regulation of synapse organization / positive regulation of ATP biosynthetic process / negative regulation of smoothened signaling pathway / ubiquitin-specific protease binding / ubiquitin-like protein ligase binding / ATP metabolic process / RHOH GTPase cycle / Attachment and Entry / polyubiquitin modification-dependent protein binding / proteasomal protein catabolic process / endoplasmic reticulum to Golgi vesicle-mediated transport / Protein methylation / translesion synthesis / HSF1 activation / proteasome complex / interstrand cross-link repair / endoplasmic reticulum unfolded protein response / lipid droplet / ubiquitin-dependent ERAD pathway / Josephin domain DUBs / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / macroautophagy / ADP binding / Hh mutants are degraded by ERAD / Defective CFTR causes cystic fibrosis / Hedgehog ligand biogenesis / Translesion Synthesis by POLH / ABC-family proteins mediated transport / positive regulation of protein catabolic process / positive regulation of protein-containing complex assembly / double-strand break repair / establishment of protein localization / Aggrephagy / cytoplasmic stress granule / autophagy / positive regulation of canonical Wnt signaling pathway / azurophil granule lumen / activation of cysteine-type endopeptidase activity involved in apoptotic process / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / site of double-strand break / viral genome replication / Ovarian tumor domain proteases / Attachment and Entry / E3 ubiquitin ligases ubiquitinate target proteins / proteasome-mediated ubiquitin-dependent protein catabolic process / cellular response to heat / secretory granule lumen / protein phosphatase binding / regulation of apoptotic process / protein ubiquitination / ficolin-1-rich granule lumen / lipid binding / : / glutamatergic synapse / DNA repair / protein domain specific binding / intracellular membrane-bounded organelle / cellular response to DNA damage stimulus / ubiquitin protein ligase binding / Neutrophil degranulation / endoplasmic reticulum membrane / perinuclear region of cytoplasm / endoplasmic reticulum / protein-containing complex / RNA binding / extracellular exosome / extracellular region / nucleoplasm / 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 / Vps4 oligomerisation, C-terminal / Vps4 C terminal oligomerisation domain ...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 / Vps4 oligomerisation, C-terminal / Vps4 C terminal oligomerisation domain / Aspartate decarboxylase-like domain superfamily / AAA+ lid domain / AAA ATPase, AAA+ lid domain / AAA-protein family signature. / ATPase, AAA-type, conserved site / 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
Similarity search - Component
|Biological species||Homo sapiens (human)|
|Method||single particle reconstruction / cryo EM / Resolution: 3.3 Å|
|Authors||Caffrey B / Zhu X / Berezuk A / Tuttle K / Chittori S / Subramaniam S|
|Citation||Journal: J Biol Chem / Year: 2021|
Title: AAA+ ATPase p97/VCP mutants and inhibitor binding disrupt inter-domain coupling and subsequent allosteric activation.
Authors: Brian Caffrey / Xing Zhu / Alison Berezuk / Katharine Tuttle / Sagar Chittori / Sriram Subramaniam /
Abstract: The human AAA+ ATPase p97, also known as valosin-containing protein, a potential target for cancer therapeutics, plays a vital role in the clearing of misfolded proteins. p97 dysfunction is also ...The human AAA+ ATPase p97, also known as valosin-containing protein, a potential target for cancer therapeutics, plays a vital role in the clearing of misfolded proteins. p97 dysfunction is also known to play a crucial role in several neurodegenerative disorders, such as MultiSystem Proteinopathy 1 (MSP-1) and Familial Amyotrophic Lateral Sclerosis (ALS). However, the structural basis of its role in such diseases remains elusive. Here, we present cryo-EM structural analyses of four disease mutants p97, p97, p97, p97, as well as p97, implicated in resistance to the drug CB-5083, a potent p97 inhibitor. Our cryo-EM structures demonstrate that these mutations affect nucleotide-driven allosteric activation across the three principal p97 domains (N, D1, and D2) by predominantly interfering with either (1) the coupling between the D1 and N-terminal domains (p97 and p97), (2) the interprotomer interactions (p97), or (3) the coupling between D1 and D2 nucleotide domains (p97, p97). We also show that binding of the competitive inhibitor, CB-5083, to the D2 domain prevents conformational changes similar to those seen for mutations that affect coupling between the D1 and D2 domains. Our studies enable tracing of the path of allosteric activation across p97 and establish a common mechanistic link between active site inhibition and defects in allosteric activation by disease-causing mutations and have potential implications for the design of novel allosteric compounds that can modulate p97 function.
|Structure viewer||EM map: |
Downloads & links
|File||Download / File: emd_24522.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)|
|Projections & slices|
Images are generated by Spider.
|Voxel size||X=Y=Z: 1.102 Å|
|Symmetry||Space group: 1|
CCP4 map header:
-Entire Full-length Hexameric p97-R191Q mutant.
|Entire||Name: Full-length Hexameric p97-R191Q mutant. / Number of Components: 3|
-Component #1: protein, Full-length Hexameric p97-R191Q mutant.
|Protein||Name: Full-length Hexameric p97-R191Q mutant. / Recombinant expression: No|
|Mass||Theoretical: 540 kDa|
|Source||Species: Homo sapiens (human)|
|Source (engineered)||Expression System: Escherichia coli (E. coli) / Strain: BL21 DE3|
-Component #2: protein, Transitional endoplasmic reticulum ATPase
|Protein||Name: Transitional endoplasmic reticulum ATPase / Number of Copies: 6 / Recombinant expression: No|
|Mass||Theoretical: 91.202586 kDa|
|Source||Species: Homo sapiens (human)|
|Source (engineered)||Expression System: Escherichia coli BL21(DE3) (bacteria)|
-Component #3: ligand, ADENOSINE-5'-DIPHOSPHATE
|Ligand||Name: ADENOSINE-5'-DIPHOSPHATE / Number of Copies: 12 / Recombinant expression: No|
|Mass||Theoretical: 0.427201 kDa|
|Specimen||Specimen State: 2D array / Method: cryo EM|
|Sample solution||Specimen conc.: 2 mg/mL / Buffer solution: Protein Storage Buffer with ADP. / pH: 8|
|Vitrification||Cryogen Name: ETHANE|
-Electron microscopy imaging
Model: Titan Krios / Image courtesy: FEI Company
|Imaging||Microscope: FEI TITAN KRIOS|
|Electron gun||Electron Source: FIELD EMISSION GUN / Accelerating Voltage: 300 kV / Electron Dose: 50 e/Å2 / Illumination Mode: FLOOD BEAM|
|Lens||Imaging Mode: BRIGHT FIELD|
|Specimen Holder||Model: OTHER|
|Image acquisition||Number of Digital Images: 2000|
|Processing||Method: single particle reconstruction / Number of Projections: 294569|
|3D reconstruction||Resolution: 3.3 Å / Resolution Method: FSC 0.143 CUT-OFF|
|FSC plot (resolution estimation)|
-Atomic model buiding
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