8RW5 | pdb_00008rw5

Symmetry expansion of dimeric transmembrane anti-sigma factor DdvA


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8ROT 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.482
f_angle_d0.524
f_chiral_restr0.038
f_plane_restr0.005
f_bond_d0.003
Sample
DdvA in complex with DdvS
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles979940
Reported Resolution (Å)2.94
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsSymmetry expanded from a C2 model
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (8ROT)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60.033
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)8000
Maximum Defocus (nm)20000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification134788
SourceLAB6
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1
IMAGE ACQUISITIONEPU3.4.0.5704REL
CTF CORRECTIONcryoSPARC4.1
INITIAL EULER ASSIGNMENTcryoSPARC4.1
FINAL EULER ASSIGNMENTcryoSPARC4.1
CLASSIFICATIONcryoSPARC4.1
RECONSTRUCTIONcryoSPARC4.1
MODEL REFINEMENTPHENIX1.21
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2674718