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 3J6E | pdb_00003j6e

Energy minimized average structure of Microtubules stabilized by GmpCpp


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1JFF 
Sample
microtubule stabilized by GMPCPP
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK II
Cryogen NameETHANE
Sample Vitrification DetailsThe grid was blotted for 2 seconds before plunging into liquid ethane (FEI VITROBOT MARK II).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles57451
Reported Resolution (Å)4.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Map-Model Fitting and Refinement
Id1 (1JFF)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--flexible fitting DETAILS--Structure represents the minimized average structure of the 1% lowest energy structures from the refi ...REFINEMENT PROTOCOL--flexible fitting DETAILS--Structure represents the minimized average structure of the 1% lowest energy structures from the refinement run.
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)25
Imaging Experiment1
Date of Experiment2012-04-26
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1400
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN LIQUID NITROGEN
Nominal Magnification72000
Calibrated Magnification72000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGRosetta
RECONSTRUCTIONEMAN2
RECONSTRUCTIONFREALIGN
RECONSTRUCTIONSPARX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
ctftilt