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MicroED structure of proteinase K from spray-frozen microcrystals
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ID8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 38.33 α = 90 b = 128.66 β = 90.52 c = 48.04 γ = 90
Symmetry Space Group P 1 21 1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 MOLECULAR REPLACEMENT THROUGHOUT 2.5 2.5 12136 1298 81.77 0.22109 0.2166 0.2268 0.2619 0.2641 RANDOM 42.05
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] -39.63 3.69 74.1 -34.48
RMS Deviations Key Refinement Restraint Deviation r_long_range_B_refined 20.171 r_dihedral_angle_3_deg 14.241 r_scbond_it 12.985 r_mcangle_it 12.091 r_mcbond_it 8.725 r_dihedral_angle_1_deg 6.386 r_dihedral_angle_2_deg 3.666 r_angle_refined_deg 1.706 r_chiral_restr 0.092 r_gen_planes_refined 0.009
RMS Deviations Key Refinement Restraint Deviation r_long_range_B_refined 20.171 r_dihedral_angle_3_deg 14.241 r_scbond_it 12.985 r_mcangle_it 12.091 r_mcbond_it 8.725 r_dihedral_angle_1_deg 6.386 r_dihedral_angle_2_deg 3.666 r_angle_refined_deg 1.706 r_chiral_restr 0.092 r_gen_planes_refined 0.009 r_bond_refined_d 0.007 r_bond_other_d r_angle_other_deg r_dihedral_angle_4_deg r_gen_planes_other 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_mcbond_other r_mcangle_other r_scbond_other r_scangle_it r_scangle_other r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
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) 2.5 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 38.33 Length b 128.66 Length c 128.66 Angle Alpha 90 Angle Beta 90.522 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 (2ID8) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI CETA (4k x 4k) Electron Dose (electrons/Å**2) 0.15
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 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