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- PDB-8fz0: Cryo-EM Structure of empty AAV2 capsid -

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Basic information

Entry
Database: PDB / ID: 8fz0
TitleCryo-EM Structure of empty AAV2 capsid
ComponentsCapsid protein VP1
KeywordsVIRUS / assembly / symmetry / AAV2 / capsid
Function / homology
Function and homology information


symbiont entry into host cell via permeabilization of host membrane / host cell nucleolus / T=1 icosahedral viral capsid / clathrin-dependent endocytosis of virus by host cell / virion attachment to host cell / structural molecule activity
Similarity search - Function
Phospholipase A2-like domain / Phospholipase A2-like domain / Parvovirus coat protein VP2 / Parvovirus coat protein VP1/VP2 / Parvovirus coat protein VP1/VP2 / Capsid/spike protein, ssDNA virus
Similarity search - Domain/homology
Biological speciesadeno-associated virus 2
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.94 Å
AuthorsBennett, A.D. / McKenna, R.
Funding support United States, 2items
OrganizationGrant numberCountry
National Science Foundation (NSF, United States)DMS 1563234 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)GM082946 United States
CitationJournal: to be published
Title: Cryo-EM Structure of genome containing AAV2
Authors: Bennett, A.D. / Mckenna, R.
History
DepositionJan 27, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 31, 2023Provider: repository / Type: Initial release
Revision 1.1Jun 19, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Capsid protein VP1
B: Capsid protein VP1
C: Capsid protein VP1
D: Capsid protein VP1
E: Capsid protein VP1
F: Capsid protein VP1
G: Capsid protein VP1
H: Capsid protein VP1
I: Capsid protein VP1
J: Capsid protein VP1
K: Capsid protein VP1
L: Capsid protein VP1
M: Capsid protein VP1
N: Capsid protein VP1
O: Capsid protein VP1
P: Capsid protein VP1
Q: Capsid protein VP1
R: Capsid protein VP1
S: Capsid protein VP1
T: Capsid protein VP1
U: Capsid protein VP1
V: Capsid protein VP1
W: Capsid protein VP1
X: Capsid protein VP1
Y: Capsid protein VP1
Z: Capsid protein VP1
a: Capsid protein VP1
b: Capsid protein VP1
c: Capsid protein VP1
d: Capsid protein VP1
e: Capsid protein VP1
f: Capsid protein VP1
g: Capsid protein VP1
h: Capsid protein VP1
i: Capsid protein VP1
j: Capsid protein VP1
k: Capsid protein VP1
l: Capsid protein VP1
m: Capsid protein VP1
n: Capsid protein VP1
o: Capsid protein VP1
p: Capsid protein VP1
q: Capsid protein VP1
r: Capsid protein VP1
s: Capsid protein VP1
t: Capsid protein VP1
u: Capsid protein VP1
v: Capsid protein VP1
w: Capsid protein VP1
x: Capsid protein VP1
y: Capsid protein VP1
z: Capsid protein VP1
1: Capsid protein VP1
2: Capsid protein VP1
3: Capsid protein VP1
4: Capsid protein VP1
5: Capsid protein VP1
6: Capsid protein VP1
7: Capsid protein VP1
8: Capsid protein VP1


Theoretical massNumber of molelcules
Total (without water)4,921,88160
Polymers4,921,88160
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein ...
Capsid protein VP1


Mass: 82031.352 Da / Num. of mol.: 60
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) adeno-associated virus 2 / Gene: VP1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P03135

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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: adeno-associated virus 2 / Type: VIRUS / Entity ID: all / Source: RECOMBINANT
Molecular weightValue: 3.9 MDa / Experimental value: NO
Source (natural)Organism: adeno-associated virus 2
Source (recombinant)Organism: Baculovirus expression vector pCTdual
Details of virusEmpty: NO / Enveloped: NO / Isolate: SEROTYPE / Type: VIRION
Natural hostOrganism: Homo sapiens
Virus shellName: capsid / Diameter: 26 nm / Triangulation number (T number): 1
Buffer solutionpH: 7.3 / Details: 1XPBS, 1 mM MgCl2, 2.5 mM KCl pH7.3
Buffer componentConc.: 1 mM / Name: TD / Formula: PBS-MK
SpecimenConc.: 0.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid type: Quantifoil
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen 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: SPOT SCAN
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm
Image recordingElectron dose: 60 e/Å2 / Film or detector model: DIRECT ELECTRON DE-64 (8k x 8k) / Num. of real images: 1674

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Processing

EM software
IDNameCategory
2Leginonimage acquisition
7UCSF Chimeramodel fitting
9PHENIXmodel refinement
13cisTEM3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.94 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 6782 / Symmetry type: POINT
Atomic model buildingProtocol: AB INITIO MODEL
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.009257580
ELECTRON MICROSCOPYf_angle_d0.968351120
ELECTRON MICROSCOPYf_dihedral_angle_d8.33259440
ELECTRON MICROSCOPYf_chiral_restr0.05936420
ELECTRON MICROSCOPYf_plane_restr0.00746620

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