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Cryo EM Structure of GTP cyclohydrolase 1 (FolE) from Mycobacterium tuberculosis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9P8Z
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.603 f_angle_d 0.433 f_chiral_restr 0.041 f_plane_restr 0.003 f_bond_d 0.002
Sample GTP cyclohydrolase 1
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Embedding Material VITREOUS ICE Embedding Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 565880 Reported Resolution (Å) 2.77 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type 3D CRYSTAL Point Symmetry D5
Map-Model Fitting and Refinement Id 1 (9P8Z) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 200 Maximum Defocus (nm) 600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 100000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 5.0 CTF CORRECTION cryoSPARC 5.0 MODEL FITTING UCSF ChimeraX 1.11.1 MODEL REFINEMENT PHENIX 2.0_5936 INITIAL EULER ASSIGNMENT cryoSPARC 5.0 CLASSIFICATION cryoSPARC 5.0 RECONSTRUCTION cryoSPARC 5.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3970233