8UYB

Magnesium transporter MgtA dimer from E. coli in 5 mM MgCl2 and 5 mM ATPyS


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.85
f_angle_d0.558
f_chiral_restr0.04
f_plane_restr0.005
f_bond_d0.002
Sample
Magnesium transporter MgtA from Escherichia coli in the dimeric form in the presence of 5 mM MgCl2 and 5 mM ATPyS
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles28120
Reported Resolution (Å)3.87
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id123
Refinement SpaceREALREALREAL
Refinement ProtocolRIGID BODY FITFLEXIBLE FITFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification60241
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcisTEM
IMAGE ACQUISITIONSerialEM3.8-11
CTF CORRECTIONcisTEM
MODEL FITTINGUCSF Chimera8.6.10
CTF CORRECTIONcryoSPARC
MODEL FITTINGCoot0.9.8.7
MODEL REFINEMENTCoot0.9.8.7
MODEL FITTINGPHENIX1.20.1-4487
MODEL REFINEMENTPHENIX1.20.1-4487
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION454,311 particles were initially selected from dataset 1 (2,849 selected movies from 3,396 total). 1,329,014 particles were initially selected from dataset 2 (6,337 selected movies from 6,472 total).