9G69 | pdb_00009g69

Cryo-EM structure of CdaA-DAC domain in complex with GlmM


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.44
f_angle_d0.499
f_chiral_restr0.046
f_bond_d0.002
f_plane_restr0.002
Sample
Diadenylate cyclase CdaA, Phosphoglucosamine mutase GlmM, ATP
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Details13.2 uM of GlmM and 10 mM of Mn-ATP were added prior to sample application onto the grids. Grids were blotted for 4 seconds.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles133430
Reported Resolution (Å)4.84
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)53.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)500
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 Magnification130000
Calibrated Magnification49407
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.8.4
IMAGE ACQUISITIONSerialEMver4.0.6
CTF CORRECTIONCTFFIND4.1.13
MODEL FITTINGCoot0.9.8.91
INITIAL EULER ASSIGNMENTRELION5.0-beta
FINAL EULER ASSIGNMENTRELION5.0-beta
RECONSTRUCTIONRELION5.0-beta
MODEL REFINEMENTPHENIX1.20.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1908105