9R4Y | pdb_00009r4y

15 protofilament P. falciparum GMPCPP microtubule


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOther 
Sample
15 protofilament GMPCPP microtubule
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification DetailsGMPCPP microtubules were applied once or twice to a glow-discharged grid and incubated in a pre-equilibrated Vitrobot for 30 seconds at room temperatu ...GMPCPP microtubules were applied once or twice to a glow-discharged grid and incubated in a pre-equilibrated Vitrobot for 30 seconds at room temperature. Excess liquid was blotted off, and the grid was plunge frozen in liquid ethane.
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles41886
Reported Resolution (Å)2.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC15
Axial Rise8.17
Angular Rotation-24.04
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)48.51
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)700
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGCoot0.9.8.1
MODEL FITTINGISOLDE1.0b3
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX1.20.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION115668