7TQZ | pdb_00007tqz

Apo CaKip3[2-482] in complex with a microtubule

ELECTRON MICROSCOPY

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Sample
Apo CaKip3[2-482] in complex with a microtubule
Sample Components
Apo CaKip3[2-482]
15R Microtubule

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

3D Reconstruction
Reconstruction Method	HELICAL
Number of Particles	162955
Reported Resolution (Å)	2.7
Resolution Method	FSC 0.143 CUT-OFF
Other Details	2 half datasets containing one distinct half of each filament were refined independently. Number of asymmetric units used is reported in "number of segments used", due to the local processing strategy employed.
Refinement Type
Symmetry Type	HELICAL
Axial Symmetry	C1
Axial Rise	5.55
Angular Rotation	168.087

Map-Model Fitting and Refinement
Id	1
Refinement Space	REAL
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)	71.05

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	690
Maximum Defocus (nm)	2480
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	Leginon	beta
CTF CORRECTION	RELION	3.1
MODEL FITTING	RosettaEM
MODEL FITTING	PHENIX
MODEL FITTING	MODELLER
MODEL FITTING	UCSF Chimera
MODEL FITTING	Coot
INITIAL EULER ASSIGNMENT	SPIDER	22.10
FINAL EULER ASSIGNMENT	RELION	3.1
RECONSTRUCTION	RELION	3.1

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