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- PDB-6bmf: Vps4p-Vta1p complex with peptide binding to the central pore of Vps4p -

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Basic information

Entry
Database: PDB / ID: 6bmf
TitleVps4p-Vta1p complex with peptide binding to the central pore of Vps4p
Components
  • Vacuolar protein sorting-associated protein 4
  • Vps2p
KeywordsTRANSPORT PROTEIN / Vps4 / ESCRT / Vta1 / AAA ATPase
Function / homology
Function and homology information


ESCRT IV complex / Sealing of the nuclear envelope (NE) by ESCRT-III / late endosome to lysosome transport via multivesicular body sorting pathway / intralumenal vesicle formation / Macroautophagy / protein retention in Golgi apparatus / Endosomal Sorting Complex Required For Transport (ESCRT) / ESCRT III complex / late endosome to vacuole transport via multivesicular body sorting pathway / endosome transport via multivesicular body sorting pathway ...ESCRT IV complex / Sealing of the nuclear envelope (NE) by ESCRT-III / late endosome to lysosome transport via multivesicular body sorting pathway / intralumenal vesicle formation / Macroautophagy / protein retention in Golgi apparatus / Endosomal Sorting Complex Required For Transport (ESCRT) / ESCRT III complex / late endosome to vacuole transport via multivesicular body sorting pathway / endosome transport via multivesicular body sorting pathway / sterol metabolic process / ATP export / nuclear membrane reassembly / vacuole organization / midbody abscission / multivesicular body sorting pathway / plasma membrane repair / membrane fission / late endosome to vacuole transport / ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway / multivesicular body assembly / reticulophagy / endosomal transport / nucleus organization / ATPase complex / autophagosome maturation / nuclear pore / multivesicular body / macroautophagy / autophagy / protein transport / midbody / endosome / endoplasmic reticulum / protein homodimerization activity / ATP hydrolysis activity / ATP binding / identical protein binding / membrane / plasma membrane / cytoplasm
Similarity search - Function
Vacuolar protein sorting-associated protein 4, MIT domain / MIT (microtubule interacting and transport) domain / MIT domain superfamily / Vps4 oligomerisation, C-terminal / MIT domain / Microtubule Interacting and Trafficking molecule domain / : / Snf7 family / Snf7 / Vps4 C terminal oligomerisation domain ...Vacuolar protein sorting-associated protein 4, MIT domain / MIT (microtubule interacting and transport) domain / MIT domain superfamily / Vps4 oligomerisation, C-terminal / MIT domain / Microtubule Interacting and Trafficking molecule domain / : / Snf7 family / Snf7 / Vps4 C terminal oligomerisation domain / 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 / P-loop containing nucleotide triphosphate hydrolases / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / BERYLLIUM TRIFLUORIDE ION / DOA4-independent degradation protein 4 / Vacuolar protein sorting-associated protein 4
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsHan, H. / Monroe, N. / Shen, P. / Sundquist, W.I. / Hill, C.P.
CitationJournal: Elife / Year: 2017
Title: The AAA ATPase Vps4 binds ESCRT-III substrates through a repeating array of dipeptide-binding pockets.
Authors: Han Han / Nicole Monroe / Wesley I Sundquist / Peter S Shen / Christopher P Hill /
Abstract: The hexameric AAA ATPase Vps4 drives membrane fission by remodeling and disassembling ESCRT-III filaments. Building upon our earlier 4.3 Å resolution cryo-EM structure (Monroe et al., 2017), we now ...The hexameric AAA ATPase Vps4 drives membrane fission by remodeling and disassembling ESCRT-III filaments. Building upon our earlier 4.3 Å resolution cryo-EM structure (Monroe et al., 2017), we now report a 3.2 Å structure of Vps4 bound to an ESCRT-III peptide substrate. The new structure reveals that the peptide approximates a β-strand conformation whose helical symmetry matches that of the five Vps4 subunits it contacts directly. Adjacent Vps4 subunits make equivalent interactions with successive substrate dipeptides through two distinct classes of side chain binding pockets formed primarily by Vps4 pore loop 1. These pockets accommodate a wide range of residues, while main chain hydrogen bonds may help dictate substrate-binding orientation. The structure supports a 'conveyor belt' model of translocation in which ATP binding allows a Vps4 subunit to join the growing end of the helix and engage the substrate, while hydrolysis and release promotes helix disassembly and substrate release at the lagging end.
History
DepositionNov 14, 2017Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 6, 2017Provider: repository / Type: Initial release
Revision 1.1Nov 6, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature / pdbx_struct_conn_angle / struct_conn / struct_conn_type
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn_type.id

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Structure visualization

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Structure viewerMolecule:
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Assembly

Deposited unit
A: Vacuolar protein sorting-associated protein 4
B: Vacuolar protein sorting-associated protein 4
C: Vacuolar protein sorting-associated protein 4
D: Vacuolar protein sorting-associated protein 4
E: Vacuolar protein sorting-associated protein 4
G: Vps2p
hetero molecules


Theoretical massNumber of molelcules
Total (without water)188,98918
Polymers186,5586
Non-polymers2,43112
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area21770 Å2
ΔGint-108 kcal/mol
Surface area61180 Å2

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Components

#1: Protein
Vacuolar protein sorting-associated protein 4 / Vps4 / DOA4-independent degradation protein 6 / Protein END13 / Vacuolar protein-targeting protein 10


Mass: 37120.750 Da / Num. of mol.: 5 / Fragment: UNP residues 101-437
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: VPS4, CSC1, DID6, END13, GRD13, VPL4, VPT10, YPR173C, P9705.10
Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P52917
#2: Protein/peptide Vps2p


Mass: 954.122 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P36108*PLUS
#3: Chemical
ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#4: Chemical ChemComp-BEF / BERYLLIUM TRIFLUORIDE ION


Mass: 66.007 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: BeF3
#5: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
Has protein modificationY

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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: Vps4p-Vps2p complex / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
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
Image recordingAverage exposure time: 0.25 sec. / Electron dose: 1.55 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)
Image scansMovie frames/image: 40 / Used frames/image: 2-40

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Processing

SoftwareName: PHENIX / Version: 1.11.1_2575: / Classification: refinement
EM software
IDNameCategory
10RELIONinitial Euler assignment
11RELIONfinal Euler assignment
13RELION3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 82225 / Symmetry type: POINT
RefinementHighest resolution: 3.2 Å
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01812700
ELECTRON MICROSCOPYf_angle_d1.55317171
ELECTRON MICROSCOPYf_dihedral_angle_d5.9137740
ELECTRON MICROSCOPYf_chiral_restr0.0781949
ELECTRON MICROSCOPYf_plane_restr0.0112197

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