1Z8Y

Mapping the E2 Glycoprotein of Alphaviruses


ELECTRON MICROSCOPY
Sample
E2-N318Q Sindbis virus
Sample Components
Spike glycoprotein E1, E1 ectodomain domains I+II
Spike glycoprotein E1, E1 ectodomain domain III
Spike glycoprotein E1, E1 transmembrane region
Spike glycoprotein E2, E2 transmembrane region
Capsid protein C, residues 114-264
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles7085
Reported Resolution (Å)9
Resolution Method
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (1I9W, 1WYK)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--rigid body
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)18
Imaging Experiment1
Date of Experiment2000-06-21
Temperature (Kelvin)93.15
Microscope ModelFEI/PHILIPS CM200FEG
Minimum Defocus (nm)1100
Maximum Defocus (nm)2580
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification38000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGEMfit
MODEL FITTINGEMfit
RECONSTRUCTIONPURDUE PROGRAMS
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
Fourier transform of each image was modified