5HNY

Structural basis of backwards motion in kinesin-14: plus-end directed nKn669 in the AMPPNP state


ELECTRON MICROSCOPY
Sample
Plus-end directed Ncd chimera nKn669 in the AMPPNP state complexed with GDP-taxol microtubule
Sample Components
Tubulin alpha-1B chain
Tubulin beta-2B chain
Protein claret segregational,Plus-end directed kinesin-1/kinesin-14,Protein claret segregational
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles128254
Reported Resolution (Å)6.3
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsHigh-resolution noise substitution was performed
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise8.751208
Angular Rotation-25.725189
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TECNAI ARCTICA
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)200
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION