11YZ | pdb_000011yz

Cryo EM Structure of GTP cyclohydrolase 1 (FolE) from Mycobacterium tuberculosis


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 9P8Z 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.603
f_angle_d0.433
f_chiral_restr0.041
f_plane_restr0.003
f_bond_d0.002
Sample
GTP cyclohydrolase 1
Specimen Preparation
Sample Aggregation State2D ARRAY
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
Embedding MaterialVITREOUS ICE
Embedding Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles565880
Reported Resolution (Å)2.77
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type3D CRYSTAL
Point SymmetryD5
Map-Model Fitting and Refinement
Id1 (9P8Z)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)200
Maximum Defocus (nm)600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification100000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC5.0
CTF CORRECTIONcryoSPARC5.0
MODEL FITTINGUCSF ChimeraX1.11.1
MODEL REFINEMENTPHENIX2.0_5936
INITIAL EULER ASSIGNMENTcryoSPARC5.0
CLASSIFICATIONcryoSPARC5.0
RECONSTRUCTIONcryoSPARC5.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3970233