5M50

Mechanism of microtubule minus-end recognition and protection by CAMSAP proteins


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.997
f_angle_d0.777
f_chiral_restr0.048
f_plane_restr0.007
f_bond_d0.004
Sample
Complex of two tubulin dimers with bound CAMSAP3-CKK domain
Sample Components
tubulin
CAMSAP3-CKK domain
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles6530
Reported Resolution (Å)5.3
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsGold-standard noise substitution test used to asses for over fitting (Chen et al., 2013)
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
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
INITIAL EULER ASSIGNMENTSPIDER
FINAL EULER ASSIGNMENTFREALIGN
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION