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3D electron diffraction structure of bovine insulin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2A3G
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.4 α = 90 b = 82.4 β = 90 c = 33.46 γ = 120
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B ELECTRON CRYSTALLOGRAPHY MOLECULAR REPLACEMENT THROUGHOUT 2A3G 3.25 30.3 1019 108 84.36 0.1942 0.1809 0.2065 0.3189 0.333 RANDOM 49.104
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] -0.19 -0.09 -0.19 0.6
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.04 r_dihedral_angle_3_deg 19.302 r_dihedral_angle_4_deg 18.484 r_dihedral_angle_1_deg 7.43 r_angle_refined_deg 1.034 r_angle_other_deg 0.774 r_chiral_restr 0.048 r_bond_refined_d 0.006 r_gen_planes_refined 0.003 r_gen_planes_other 0.002
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.04 r_dihedral_angle_3_deg 19.302 r_dihedral_angle_4_deg 18.484 r_dihedral_angle_1_deg 7.43 r_angle_refined_deg 1.034 r_angle_other_deg 0.774 r_chiral_restr 0.048 r_bond_refined_d 0.006 r_gen_planes_refined 0.003 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 1
Software Software Software Name Purpose REFMAC refinement PDB_EXTRACT data extraction PHASER phasing
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details Manual plunger
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 82.4 Length b 82.4 Length c 82.4 Angle Alpha 120 Angle Beta 90 Angle Gamma 120
Data Acquisition Detector Type OTHER Electron Dose (electrons/Å**2) 5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA 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 MOLECULAR REPLACEMENT CCP4 package
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE