6E7C | pdb_00006e7c

14-pf 3-start GMPCPP-human alpha1B/beta2B microtubules

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3JAT

Sample
14-pf 3-start GMPCPP-human alpha1B/beta2B microtubule decorated with kinesin-1 motor domain

Specimen Preparation
Sample Aggregation State	HELICAL ARRAY
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	HELICAL
Number of Particles	46624
Reported Resolution (Å)	3.65
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	HELICAL
Axial Symmetry	C1
Axial Rise	8.759
Angular Rotation	-25.71

Map-Model Fitting and Refinement
Id	1 (3JAT)
Refinement Space
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	1.6

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	RELION
IMAGE ACQUISITION	SerialEM
CTF CORRECTION	CTFFIND	4
MODEL FITTING	Coot
MODEL REFINEMENT	PHENIX
INITIAL EULER ASSIGNMENT	SPARX
FINAL EULER ASSIGNMENT	FREALIGN	9.11
RECONSTRUCTION	FREALIGN	9.11

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION