4AQV

Model of human kinesin-5 motor domain (3HQD) and mammalian tubulin heterodimer (1JFF) docked into the 9.7-angstrom cryo-EM map of microtubule-bound kinesin-5 motor domain in the AMPPPNP state.


ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Vitrification Details CRYOGEN- ETHANE, HUMIDITY- 100, INSTRUMENT- FEI VITROBOT MARK I, METHOD- CHAMBER AT 24 DEGREES C, BLOT 2.5 SEC,
Sample Aggregation State FILAMENT
Sample Reconstruction Method SINGLE PARTICLE
Name of Sample 13-PROTOFILAMENT MICROTUBULE-BOUND HUMAN KINESIN-5 MOTOR DOMAIN WITH AMPPNP
EM Data Acquisition
Date of Experiment 2011-01-10
Temperature (Kelvin) 90.0
Microscope Model FEI TECNAI F20
Detector Type KODAK SO-163 FILM
Minimum Defocus (nm) 700.0
Maximum Defocus (nm) 2200.0
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Electron Dose (electrons per Å**-2) 18.0
Illumination Mode FLOOD BEAM
Nominal Magnification 50000
Calibrated Magnification --
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details --
3D Reconstruction
Software Package(s) FREALIGN, SPIDER
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles 3587
Other Details THE N-TERMINAL RESIDUES 6 TO 16 WERE BUILT MANUALLY IN THE EM DENSITY. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2077. (DEPOSITION ID: 10751).
Effective Resolution 9.7
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL FLEXIBLE FIT Cross-correlation coefficient -- -- --