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Crystal Structure of ArnB Transferase from Klebsiella aerogenes (Lattice Translocation Disorder, P1 form2)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8SNJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 Proplex H12: 15% Ethanol, 5% MPD, 0.1M Tris pH 8.5, 0.1 M NaCl, KlaeA.17333.b.B1.PW39179 at 27 mg/mL. Plate: 13222, well H12 drop 3. Puck: PSL-1013, Cryo: CRYO: 50% Crystallant + 50% MPD. 2mM PLP added prior to crystallization. Partial occupancy of PLP-Lys182 adduct and PLP-Tris adduct. The structure factors were corrected for lattice translocation disorder which caused initial high R factors (~25%)
Crystal Properties Matthews coefficient Solvent content 2.41 48.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 60.172 α = 62.96 b = 64.131 β = 76.67 c = 67.252 γ = 62.43
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS EIGER2 XE 9M 2022-02-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9795 NSLS-II 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.5 59.88 96.3 0.087 0.103 0.055 0.996 7.1 3.5 122421
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.5 1.54 94.7 0.872 1.03 0.544 0.59 3.5
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 X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.5 29.94 1.96 122304 5967 96.25 0.155 0.154 0.1649 0.1751 0.184
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 12.789 f_angle_d 0.988 f_chiral_restr 0.06 f_plane_restr 0.009 f_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5611 Nucleic Acid Atoms Solvent Atoms 620 Heterogen Atoms 60
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing