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MicroED structure of an Aeropyrum pernix protoglobin mutant
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.235 α = 104.09 b = 58.269 β = 98.58 c = 80.734 γ = 90.11
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 2.1 24.46 1.96 33786 1715 71.78 0.1896 0.1884 0.2234 0.2119 0.2403 0.05
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.353 f_angle_d 1.559 f_chiral_restr 0.067 f_bond_d 0.014 f_plane_restr 0.012
Software Software Software Name Purpose PHENIX refinement
Sample Homotetramer of Aeropyrum pernix protoglobin (ApePgb) C45G, W59L, Y60V, V63R, C102S, F145Q, I149L mutant
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 2.1 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 46.2 Length b 58.3 Length c 58.3 Angle Alpha 90.1 Angle Beta 98.6 Angle Gamma 90.1
Map-Model Fitting and Refinement Id 1 Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target maximum likelihood Overall B Value 26.51 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 0.00025
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) 300 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION PHENIX 1.20.1-4487-000
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE