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MicroED structure of proteinase K recorded on K3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.01 α = 90 b = 67.01 β = 90 c = 106.55 γ = 90
Symmetry Space Group P 43 21 2
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 (All) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B ELECTRON CRYSTALLOGRAPHY THROUGHOUT 1.7 43.333 26911 1286 98.14 0.179 0.1757 0.2542 15.889
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] 0.422 0.422 -0.844
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.971 r_dihedral_angle_4_deg 20.034 r_dihedral_angle_3_deg 13.34 r_dihedral_angle_1_deg 6.529 r_lrange_it 4.415 r_lrange_other 3.905 r_scangle_it 3.514 r_scangle_other 3.514 r_scbond_it 3.067 r_scbond_other 3.067
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.971 r_dihedral_angle_4_deg 20.034 r_dihedral_angle_3_deg 13.34 r_dihedral_angle_1_deg 6.529 r_lrange_it 4.415 r_lrange_other 3.905 r_scangle_it 3.514 r_scangle_other 3.514 r_scbond_it 3.067 r_scbond_other 3.067 r_mcangle_other 2.67 r_mcangle_it 2.667 r_mcbond_it 2.123 r_mcbond_other 2.117 r_rigid_bond_restr 2.096 r_angle_other_deg 1.622 r_angle_refined_deg 1.43 r_symmetry_xyhbond_nbd_refined 0.295 r_xyhbond_nbd_refined 0.251 r_nbd_refined 0.209 r_nbd_other 0.206 r_symmetry_nbd_other 0.192 r_nbtor_refined 0.179 r_symmetry_nbd_refined 0.167 r_symmetry_xyhbond_nbd_other 0.143 r_metal_ion_refined 0.139 r_symmetry_nbtor_other 0.083 r_chiral_restr 0.065 r_bond_refined_d 0.012 r_gen_planes_refined 0.007 r_gen_planes_other 0.001 r_bond_other_d
Software Software Software Name Purpose REFMAC refinement
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument LEICA PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 67.01 Length b 67.01 Length c 67.01 Angle Alpha 90 Angle Beta 90 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 Refinement Space RECIPROCAL Refinement Protocol RIGID BODY FIT Refinement Target Maximum liklihood Overall B Value 15.89 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 0.01
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode DIFFRACTION Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 120 Imaging Details
EM Software Task Software Package Version CRYSTALLOGRAPHY MERGING AIMLESS RECONSTRUCTION REFMAC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE