7LC6

Cryo-EM Structure of KdpFABC in E2-P state with BeF3


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.422
f_angle_d1.088
f_chiral_restr0.058
f_bond_d0.009
f_plane_restr0.008
Sample
KdpFABC in E2-P intermediate state with BeF3
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3 uL of protein mixture applied to grid. Blot time 4 seconds, blot force 0, no wait before plunging.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles223443
Reported Resolution (Å)3.7
Resolution MethodFSC 0.143 CUT-OFF
Other Detailsnon-uniform refinement
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5MRW)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCorrelation coefficient
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
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
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC2.9.0
MODEL FITTINGUCSF Chimera1.13
INITIAL EULER ASSIGNMENTcryoSPARC2.9.0
FINAL EULER ASSIGNMENTcryoSPARC2.9.0
CLASSIFICATIONcryoSPARC2.9.0
RECONSTRUCTIONcryoSPARC2.9.0
MODEL REFINEMENTPHENIX1.18
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1525715template based picking