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AetF, a single-component flavin-dependent tryptophan halogenase, in complex with 8-bromotryptoline
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 Morpheus single reagent (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);
300 nL protein + 300 nL reservoir
Crystal Properties Matthews coefficient Solvent content 2.1 41.36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 122.476 α = 90 b = 122.476 β = 90 c = 86.246 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 CdTe 16M 2025-11-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) 0.9184 PETRA III, EMBL c/o DESY P14 (MX2)
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 1.78 36.9 99.6 0.078 0.999 17.17 12.7 121870 36.26
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 1.78 1.89 99.2 1.446 0.686 1.54 12.7
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 FOURIER SYNTHESIS FREE R-VALUE 1.78 36.9 1.34 121862 5943 99.65 0.1633 0.1623 0.1632 0.1844 0.1856 44.6
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 12.6049 f_angle_d 0.6693 f_chiral_restr 0.045 f_plane_restr 0.0069 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10545 Nucleic Acid Atoms Solvent Atoms 695 Heterogen Atoms 199
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHENIX phasing