4UXY

Conserved mechanisms of microtubule-stimulated ADP release, ATP binding, and force generation in transport kinesins


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4HNA 
Sample
3-protofilament microtubule-bound human kinesin-1 motor domain with AMPPNP
Specimen Preparation
Sample Aggregation StateHELICAL ARRAY
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles186329
Reported Resolution (Å)6.5
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2770. (DEPOSITION ID: 12603).
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (4HNA)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsMETHOD--FLEXIBLE REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector TypeGATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2012-12-10
Temperature (Kelvin)90
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)400
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.3
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification100000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGFlex-EM
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONFREALIGN
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
FREALIGN