7MFM

Glutamate synthase, glutamate dehydrogenase counter-enzyme complex


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.9029
f_angle_d0.5237
f_chiral_restr0.0426
f_plane_restr0.0035
f_bond_d0.003
Sample
GudB6-GltA2-GltB2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles718672
Reported Resolution (Å)2.42
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (3K8Z, 1OFD, 6S6T)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsReal-space refinement involved iterative rounds of ISOLDE, Coot and PHENIX refinement. 1OFD and 6S6T were used as templates for homology modeling in S ...Real-space refinement involved iterative rounds of ISOLDE, Coot and PHENIX refinement. 1OFD and 6S6T were used as templates for homology modeling in SWISS-MODEL.
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)47.7
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera1.15
MODEL REFINEMENTISOLDE1.1.0
MODEL REFINEMENTPHENIX1.19.1-4122
MODEL REFINEMENTCoot0.9.3
CTF CORRECTIONcisTEM1.0.0beta
INITIAL EULER ASSIGNMENTcisTEM1.0.0beta
FINAL EULER ASSIGNMENTcisTEM1.0.0beta
CLASSIFICATIONcisTEM1.0.0beta
RECONSTRUCTIONcisTEM1.0.0beta
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1353359