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

Sample
13-PROTOFILAMENT MICROTUBULE-BOUND HUMAN KINESIN-5 MOTOR DOMAIN WITH AMPPNP

Specimen Preparation
Sample Aggregation State	FILAMENT
Vitrification Instrument	FEI VITROBOT MARK I
Cryogen Name	ETHANE
Sample Vitrification Details	CRYOGEN- ETHANE, HUMIDITY- 100, INSTRUMENT- FEI VITROBOT MARK I, METHOD- CHAMBER AT 24 DEGREES C, BLOT 2.5 SEC,

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	3587
Reported Resolution (Å)	9.7
Resolution Method
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 ...	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).
Refinement Type
Symmetry Type	HELICAL

Map-Model Fitting and Refinement
Id	1 (3HQD, 1JFF)
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target	Cross-correlation coefficient
Overall B Value
Fitting Procedure
Details	METHOD--RIGID BODY (1JFF). RIGID BODY AND FLEXIBLE FITTING (3HQD) REFINEMENT PROTOCOL--X-RAY

Data Acquisition
Detector Type	KODAK SO-163 FILM
Electron Dose (electrons/Å**2)	18

Imaging Experiment	1
Date of Experiment	2011-01-10
Temperature (Kelvin)	90
Microscope Model	FEI TECNAI F20
Minimum Defocus (nm)	700
Maximum Defocus (nm)	2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	50000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
MODEL FITTING	Flex-EM
MODEL FITTING	UCSF Chimera
RECONSTRUCTION	FREALIGN
RECONSTRUCTION	SPIDER

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	FREALIGN

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.