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AetF, a single-component flavin-dependent tryptophan halogenase, in complex with 7-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,
crystals soaked with 150 nL 7-bromo-L-tryptophan solution (sat. 7-bromo-L-tryptophan, 25 % (v/v) ethylene glycol)
Crystal Properties Matthews coefficient Solvent content 2.12 42.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 122.326 α = 90 b = 122.326 β = 90 c = 87.163 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 PILATUS 6M 2022-11-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 0.88560 ESRF ID23-1
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 2.3 50 100 0.248 0.988 7.97 7.09 112302 45.8
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 2.3 2.44 1.206 0.524 1.64 6.71
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 2.3 46.34 788.09 112248 5606 99.99 0.1547 0.1532 0.1501 0.1903 0.1753 28.25
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 14.1829 f_angle_d 0.5291 f_chiral_restr 0.0423 f_plane_restr 0.0038 f_bond_d 0.0024
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10521 Nucleic Acid Atoms Solvent Atoms 650 Heterogen Atoms 196
Software Software Software Name Purpose PHENIX refinement MxCuBE data collection XDS data reduction XDS data scaling PHASER phasing Coot model building