3J7I

Structure of alpha- and beta- tubulin in GMPCPP-microtubules


ELECTRON MICROSCOPY
Sample
GMPCPP-microtubules
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentLEICA KF80
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles320000
Reported Resolution (Å)8.9
Resolution Method
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1JFF)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCross-correlation, Average map value
Overall B Value
Fitting Procedure
DetailsMETHOD--Local refinement, Domain fitting REFINEMENT PROTOCOL--Rigid body refinement DETAILS--Initial local fitting was done before the domains were ...METHOD--Local refinement, Domain fitting REFINEMENT PROTOCOL--Rigid body refinement DETAILS--Initial local fitting was done before the domains were separately fitted by using Chimera.
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)10
Imaging Experiment1
Date of Experiment2010-01-01
Temperature (Kelvin)88
Microscope ModelJEOL 2010F
Minimum Defocus (nm)1300
Maximum Defocus (nm)2800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS3.3
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification40000
Calibrated Magnification40000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONIMAGIC5
RECONSTRUCTIONMATLAB
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
Each Filament