ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.966
r_dihedral_angle_3_deg11.097
r_dihedral_angle_4_deg9.642
r_dihedral_angle_1_deg4.942
r_long_range_B_refined2.979
r_long_range_B_other2.978
r_mcangle_it1.349
r_mcangle_other1.349
r_angle_refined_deg1.135
r_angle_other_deg0.867
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.966
r_dihedral_angle_3_deg11.097
r_dihedral_angle_4_deg9.642
r_dihedral_angle_1_deg4.942
r_long_range_B_refined2.979
r_long_range_B_other2.978
r_mcangle_it1.349
r_mcangle_other1.349
r_angle_refined_deg1.135
r_angle_other_deg0.867
r_scangle_other0.717
r_mcbond_it0.711
r_mcbond_other0.711
r_scbond_it0.327
r_scbond_other0.327
r_chiral_restr0.065
r_bond_refined_d0.007
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Sample
Human tsA201 cell tubulin microtubules
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles13000
Reported Resolution (Å)4.2
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsGold-standard high-resolution noise substitution test employed in resolution estimation (Chen et al., 2013)
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeDIRECT ELECTRON DE-20 (5k x 3k)
Electron Dose (electrons/Å**2)25
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONEMAN
IMAGE ACQUISITIONSerialEM
MODEL FITTINGUCSF Chimera
FINAL EULER ASSIGNMENTFREALIGN
RECONSTRUCTIONFREALIGN
MODEL REFINEMENTCoot
MODEL REFINEMENTPHENIX
MODEL REFINEMENTREFMAC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION