6MLR

Cryo-EM structure of microtubule-bound Kif7 in the AMPPNP state


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.712
f_angle_d1.101
f_chiral_restr0.06
f_bond_d0.007
f_plane_restr0.007
Sample
Microtubule-bound Kif7
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsBlotted from behind the grid for 2 seconds
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles37220
Reported Resolution (Å)4.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise8.83
Angular Rotation-25.76
Map-Model Fitting and Refinement
Id1 (3J6G, 3J6G, 4A14)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)37
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
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
CTF CORRECTIONCTFFIND4
MODEL FITTINGUCSF Chimera1.11.2
MODEL REFINEMENTPHENIX1.12-2829
RECONSTRUCTIONFREALIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLYCTF correction using CTFFIND484000segmnets were picked along helical segments manually using appion