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1.71 A MicroED structure of proteinase K at 0.86 e- / A^2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5I9S PDB entry 5I9S
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.01 α = 90 b = 67.01 β = 90 c = 100.722 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 2016-03-07
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 MOLECULAR REPLACEMENT THROUGHOUT PDB entry 5I9S 1.71 50.01 22242 1547 92.95 0.22336 0.22126 0.25345 RANDOM 6.613
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] -0.07 -0.07 0.14
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.674 r_dihedral_angle_4_deg 13.77 r_dihedral_angle_3_deg 12.601 r_dihedral_angle_1_deg 6.701 r_long_range_B_refined 1.904 r_long_range_B_other 1.904 r_angle_refined_deg 1.761 r_scangle_other 1.424 r_angle_other_deg 1.092 r_mcangle_it 0.838
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.674 r_dihedral_angle_4_deg 13.77 r_dihedral_angle_3_deg 12.601 r_dihedral_angle_1_deg 6.701 r_long_range_B_refined 1.904 r_long_range_B_other 1.904 r_angle_refined_deg 1.761 r_scangle_other 1.424 r_angle_other_deg 1.092 r_mcangle_it 0.838 r_mcangle_other 0.838 r_scbond_it 0.831 r_scbond_other 0.831 r_mcbond_it 0.491 r_mcbond_other 0.49 r_chiral_restr 0.11 r_bond_other_d 0.033 r_bond_refined_d 0.019 r_gen_planes_refined 0.008 r_gen_planes_other 0.002 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction Aimless data scaling MOLREP phasing
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 1.71 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 67.0104 Length b 67.0104 Length c 67.0104 Angle Alpha 90 Angle Beta 90 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 (5I9S) Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target Overall B Value 6.613 Fitting Procedure Details Electron scattering factors
Data Acquisition Detector Type TVIPS TEMCAM-F416 (4k x 4k) Electron Dose (electrons/Å**2) 0.0357
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 11.4.05 MOLECULAR REPLACEMENT MOLREP 11.4.05 SYMMETRY DETERMINATION POINTLESS 1.11.3 CRYSTALLOGRAPHY MERGING AIMLESS 0.5.32 MODEL REFINEMENT REFMAC 5.8.0194
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE