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MicroED structure of CTX-M-14 beta-lactamase co-crystallized with avibactam
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1YLT
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.8 α = 90 b = 105.78 β = 100.96 c = 47.68 γ = 90
Symmetry Space Group P 1 21 1
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) Mean Isotropic B ELECTRON CRYSTALLOGRAPHY MOLECULAR REPLACEMENT FREE R-VALUE 2 46.81 1.46 24689 2469 83.8 0.2081 0.2029 0.2375 0.256 0.2602 18.73
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 6.775 f_angle_d 1.045 f_chiral_restr 0.055 f_plane_restr 0.011 f_bond_d 0.005
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing PDB_EXTRACT data extraction
Sample CTX-M-14 beta-lactamase bound to avibactam
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 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 44.8 Length b 105.79 Length c 105.79 Angle Alpha 90 Angle Beta 100.957 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 (1YLT) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type DIRECT ELECTRON APOLLO (4k x 4k) Electron Dose (electrons/Å**2) 0.09
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS TALOS F200C 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 PHENIX MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE