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AetF, a single-component flavin-dependent tryptophan halogenase, in complex with 5-bromo-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,
300 nL saturated 5-bromo-L-tryptophan dried up on plate prior to adding protein and reservoir
Crystal Properties Matthews coefficient Solvent content 2.14 42.54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 122.7 α = 90 b = 122.7 β = 90 c = 87.418 γ = 90
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 1.9 50 99.8 0.193 0.996 6.55 6.91 201422 38.8
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 1.9 2.01 98.8 2.616 0.191 0.43 7.07
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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS FREE R-VALUE 8CJD 1.9 46.48 1.33 199988 9993 99.51 0.1843 0.1831 0.2075 0.1979 46.28
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 13.8674 f_angle_d 0.5785 f_chiral_restr 0.0432 f_plane_restr 0.0046 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10563 Nucleic Acid Atoms Solvent Atoms 631 Heterogen Atoms 168
Software Software Software Name Purpose PHENIX refinement MxCuBE data collection XDS data reduction XDS data scaling PHASER phasing Coot model building