ELECTRON MICROSCOPY

Sample

Adeno-associated virus-2 in complex with monoclonal antibody A20

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blot for 2.0 seconds before plunging into liquid ethane (FEI Vitrobot Mark IV).
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 11898
Reported Resolution (Å) 8.5
Resolution Method FSC 0.5 CUT-OFF
Other Details A20 FAB' WAS MODELED AS THE COMBINATION OF A HOMOLOGY MODEL AND SEQUENCE SEGMENTS EXCERPTED FROM PDB ENTRY 1OSP (SEE REMARK 999 FOR DETAILS). THE AUTHORS STATE THAT ANY INCORRECT PEPTIDE BOND LENGTHS IN THIS ENTRY ARE THE RESULT OF RIGID-BODY FITTING TO A LOW-RESOLUTION MAP OR ARE INHERITED DIRECTLY FROM PDB ENTRY 1OSP.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Least-squares difference between experimental & model coulombic potential
Overall B Value ?
Fitting Procedure ?
Details METHOD--Rigid Body REFINEMENT PROTOCOL--Rigid Body DETAILS--Anti-bumping restraints from CNS, Constrained icosahedral symmetry
Data Acquisition
Detector Type GENERIC GATAN
Electron Dose (electrons/Å2) 15
Imaging Experiment
Date of Experiment 2011-02-23
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) -500
Maximum Defocus (nm) -4000
Minimum Tilt Angle (degrees) 0.0
Maximum Tilt Angle (degrees) 0.0
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model OTHER
Nominal Magnification 37000
Calibrated Magnification 39775
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 120
Imaging Details ?
Imaging Experiment
Task Software Package Version
CTF CORRECTION ACE ?
MODEL FITTING RSRef ?
RECONSTRUCTION Appion ?
RECONSTRUCTION EMAN ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. Whole image