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MicroED structure of proteinase K at 1.75 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4WOC
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.317 α = 90 b = 67.317 β = 90 c = 101.007 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1
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-Free (Depositor) R-Free Selection Details Mean Isotropic B ELECTRON CRYSTALLOGRAPHY THROUGHOUT 1.75 20.506 1.34 22671 1476 94.12 0.2199 0.2167 0.2663 RANDOM
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 9.28 f_angle_d 0.565 f_chiral_restr 0.041 f_bond_d 0.003 f_plane_restr 0.003
Software Software Software Name Purpose PHENIX refinement
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 1.75 Resolution Method Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 67.96 Length b 67.96 Length c 67.96 Angle Alpha 90 Angle Beta 90 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 (4WOC) Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target Overall B Value 17.2 Fitting Procedure Details Electron scattering factors
Data Acquisition Detector Type TVIPS TEMCAM-F416 (4k x 4k) Electron Dose (electrons/Å**2) 0.004
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI F20 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EM-Menu 4.0.9.75 MODEL FITTING MOLREP 11.4.03 MOLECULAR REPLACEMENT MOLREP 11.4.03 SYMMETRY DETERMINATION POINTLESS 1.10.13 CRYSTALLOGRAPHY MERGING AIMLESS 0.5.17 MODEL REFINEMENT PHENIX 1.10
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE