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Structure of human MTH1 in complex with 8DG by MicroED using low electron fluence
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3ZR1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.34 α = 90 b = 67.55 β = 90 c = 80.11 γ = 90
Symmetry Space Group P 21 21 21
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B ELECTRON CRYSTALLOGRAPHY FREE R-VALUE 2.86 29.67 1.34 12126 617 84.05 0.2341 0.2314 0.2486 0.2824 0.2871 Random selection 22.6
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.2141 f_angle_d 0.4781 f_chiral_restr 0.0419 f_plane_restr 0.0041 f_bond_d 0.0021
Sample 7,8-dihydro-8-oxoguanine triphosphatase
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details Manual blotting at room temperature with ambient humidity
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 2.86 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 59.34 Length b 67.55 Length c 67.55 Angle Alpha 90 Angle Beta 90 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 (3ZR1) Refinement Space Refinement Protocol OTHER Refinement Target maxiumum likelihood Overall B Value 23.9 Fitting Procedure Details
Data Acquisition Detector Type FEI CETA (4k x 4k) Electron Dose (electrons/Å**2) 0.055
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE