7VO0

Streptomyces coelicolor zinc uptake regulator complexed with zinc and DNA (trimer of dimers)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d23.2453
f_angle_d0.5112
f_chiral_restr0.0367
f_bond_d0.0036
f_plane_restr0.0033
Sample
Zur-DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles84622
Reported Resolution (Å)3.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)1.251.25
Imaging Experiment12
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOSFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELDBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUNFIELD EMISSION GUN
Acceleration Voltage (kV)300300
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION