3J2U

Kinesin-13 KLP10A HD in complex with CS-tubulin and a microtubule

ELECTRON MICROSCOPY

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Sample
kinesin-13 KLP10A head domain in complex with CS-tubulin and a microtubule

Specimen Preparation
Sample Aggregation State	FILAMENT
Vitrification Instrument	FEI VITROBOT MARK I
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	HELICAL
Number of Particles	54584
Reported Resolution (Å)	10.8
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type	HALF-MAPS REFINED INDEPENDENTLY
Symmetry Type	HELICAL
Axial Symmetry	C1
Axial Rise	5.553
Angular Rotation	168.087

Map-Model Fitting and Refinement
Id	1 (1JFF, 1JFF)
Refinement Space	REAL
Refinement Protocol	RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details	REFINEMENT PROTOCOL--RIGID BODY DETAILS--The domains were separately fitted with the global fitting option of the routine fitmap within UCSF-Chimera. Best fit was chosen based on the maximum cross-correlation value between the EM density and an 11 A resolution density model of the atomic structure of the domain to be fitted.

Data Acquisition

Imaging Experiment	1	2
Date of Experiment	2012-05-01	2012-05-01
Temperature (Kelvin)
Microscope Model	JEOL 3200FSC	FEI TECNAI F20
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD	BRIGHT FIELD
Specimen Holder Model	JEOL	GATAN LIQUID NITROGEN
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN	FIELD EMISSION GUN
Acceleration Voltage (kV)	300	200
Imaging Details

EM Software
Task	Software Package	Version
CTF CORRECTION	CTFFIND	3
MODEL FITTING	UCSF Chimera
RECONSTRUCTION	Custom
RECONSTRUCTION	IHRSR
RECONSTRUCTION	SPIDER

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