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Crystal Structure of RebH, a FAD-dependent halogenase from Lechevalieria aerocolonigenes, the Apo form
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2AQJ 2AQJ monomer with no ligands
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277 Protein Solution (18 mg/ml protein, 0.050 M sodium chloride, 0.010 M TRIS pH 8.0)
mixed in a 1:1 ratio with the Well Solution
(0.9 M K2HPO4, 0.5 M NaH2PO4)
Cryoprotected with: well solution supplemented with up to 30% glycerol, vapor diffusion, hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.7 66.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 114.786 α = 90 b = 114.787 β = 90 c = 230.584 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MARMOSAIC 300 mm CCD Adjustable focusing mirrors in K-B geometry 2006-03-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 0.97919 APS 23-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.5 29.129 100 0.131 24.484 12.8 59677
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.59 100 0.432 8.095 10.3 5912
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2AQJ monomer with no ligands 2.494 29.129 59619 3008 99.921 0.164 0.161 0.1744 0.208 0.2173 RANDOM 2.559
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] 0.995 0.498 0.995 -1.493
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.102 r_dihedral_angle_4_deg 18.633 r_dihedral_angle_3_deg 14.825 r_dihedral_angle_1_deg 6.012 r_scangle_it 1.853 r_angle_refined_deg 1.407 r_scbond_it 1.1 r_nbtor_refined 0.312 r_mcangle_it 0.251 r_symmetry_hbond_refined 0.246
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.102 r_dihedral_angle_4_deg 18.633 r_dihedral_angle_3_deg 14.825 r_dihedral_angle_1_deg 6.012 r_scangle_it 1.853 r_angle_refined_deg 1.407 r_scbond_it 1.1 r_nbtor_refined 0.312 r_mcangle_it 0.251 r_symmetry_hbond_refined 0.246 r_nbd_refined 0.203 r_mcbond_it 0.195 r_symmetry_vdw_refined 0.153 r_xyhbond_nbd_refined 0.141 r_chiral_restr 0.1 r_bond_refined_d 0.014 r_gen_planes_refined 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8437 Nucleic Acid Atoms Solvent Atoms 455 Heterogen Atoms 10
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling DM phasing MOLREP phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data reduction