3J3Z

Structure of MA28-7 neutralizing antibody Fab fragment from electron cryo-microscopy of enterovirus 71 complexed with a Fab fragment

ELECTRON MICROSCOPY

Sample
Enterovirus 71 complexed with Fab Fragment of MA28-7 neutralizing antibody

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK III
Cryogen Name	OTHER
Sample Vitrification Details	Plunged into ethane-propane mixture (FEI VITROBOT MARK III)

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	27026
Reported Resolution (Å)	23.4
Resolution Method	FSC 0.5 CUT-OFF
Other Details	The breaksym option in EMAN2 was used to search for the icosahedrally-related orientations. (Single particle details: Selected particles were low-pass ...	The breaksym option in EMAN2 was used to search for the icosahedrally-related orientations. (Single particle details: Selected particles were low-pass filtered at 10 Angstrom. Asymmetric reconstruction was performed with the breaksym option in EMAN2.) (Single particle--Applied symmetry: C1)
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (3GK8, 3GK8)
Refinement Space	REAL
Refinement Protocol	RIGID BODY FIT
Refinement Target	correlation coefficient
Overall B Value
Fitting Procedure
Details	REFINEMENT PROTOCOL--rigid body DETAILS--The Fab structure was fitted manually, then refined in Chimera.

Data Acquisition
Detector Type	KODAK SO-163 FILM
Electron Dose (electrons/Å**2)	15

Imaging Experiment	1
Date of Experiment	2011-02-02
Temperature (Kelvin)	95
Microscope Model	FEI TECNAI F20
Minimum Defocus (nm)	1900
Maximum Defocus (nm)	6120
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	GATAN LIQUID NITROGEN
Nominal Magnification	50000
Calibrated Magnification	48425
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
MODEL FITTING	UCSF Chimera
RECONSTRUCTION	EMAN	2

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	Each

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.