7THR | pdb_00007thr

Cryo-electron microscopy of Adeno-associated virus serotype 4 at 2.2 A

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2G8G

Sample
Adeno-associated virus

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	blot force: 4 time: 2 s

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	75226
Reported Resolution (Å)	2.21
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	I

Map-Model Fitting and Refinement
Id	1 (2G8G)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details	Link to CNS_RSRef software: https://chapman.missouri.edu/software/

Data Acquisition
Detector Type	GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)	48

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	600
Maximum Defocus (nm)	1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	16500
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	SerialEM	3.8
CTF CORRECTION	RELION	3.1.1
MODEL FITTING	CNS	0.5
MODEL REFINEMENT	Coot	0.8.9.2
INITIAL EULER ASSIGNMENT	RELION	3.1.1
FINAL EULER ASSIGNMENT	RELION	3.1.1
CLASSIFICATION	RELION	3.1.1
RECONSTRUCTION	RELION	3.1.1

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING ONLY		75226