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AetF, a single-component flavin-dependent tryptophan halogenase, in complex with L-tryptophan
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8CJD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 293.15 Condition A6, Morpheus Green Screen (Molecular Dimensions),
30 mM CaCl2, 30 mM MgCl2, 0.1 M HEPES/MOPS pH 7.5, 20 % (v/v) ethylene glycol, 10 % (w/v) PEG 8000,
6 mg/mL AetF (50 mM HEPES pH 7.0, 100 mM NaCl, 1 mM DTT), drop with 300 nL protein + 300 nL reservoir,
crystals soaked with 250 nL L-Trp solution (37.5 mM L-Trp, 25 % (v/v) ethylene glycol)
Crystal Properties Matthews coefficient Solvent content 2.14 42.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 87.265 α = 90 b = 173.718 β = 90 c = 173.961 γ = 90
Symmetry Space Group P 21 21 21
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 X 9M 2022-09-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID30B 0.91840 ESRF ID30B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) Rrim 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 1.8 50 99.9 0.193 0.998 10.19 13.29 244069 34.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.91 99.5 3.095 0.251 0.61 13.62
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 8CJD 1.8 48.3 397.02 243824 12211 99.91 0.1808 0.1603 0.1605 0.1884 0.1831 30.43
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 14.2913 f_angle_d 0.9673 f_chiral_restr 0.0589 f_bond_d 0.0088 f_plane_restr 0.0075
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 20949 Nucleic Acid Atoms Solvent Atoms 1239 Heterogen Atoms 272
Software Software Software Name Purpose PHENIX refinement MxCuBE data collection XDS data reduction XDS data scaling PHASER phasing Coot model building