9ISK | pdb_00009isk

Cryo-EM structure of KpFtsZ-ZapA complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8IBN 
experimental modelPDB 4P1M 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.356
f_angle_d0.615
f_chiral_restr0.046
f_bond_d0.005
f_plane_restr0.004
Sample
KpFtsZ-ZapA complex
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles54670
Reported Resolution (Å)2.73
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryD1
Axial Rise44.58
Angular Rotation-3.11
Map-Model Fitting and Refinement
Id1 (8IBN, 4P1M)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelJEOL CRYO ARM 300
Minimum Defocus (nm)500
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelJEOL CRYOSPECPORTER
Nominal Magnification60000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.2.1
IMAGE ACQUISITIONSerialEM4.0
CTF CORRECTIONcryoSPARC4.2.1
MODEL FITTINGUCSF Chimera1.16
INITIAL EULER ASSIGNMENTcryoSPARC4.2.1
FINAL EULER ASSIGNMENTcryoSPARC4.2.1
RECONSTRUCTIONcryoSPARC4.2.1
MODEL REFINEMENTPHENIX1.19.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION4374348