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The structure of tryptophan 7-halogenase (PrnA)suggests a mechanism for regioselective chlorination
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 10% PEG8000, 0.1M imidazole pH8.0, 0.2M Ca(CH3CO2)2, VAPOR DIFFUSION, SITTING DROP, temperature 100K
Crystal Properties Matthews coefficient Solvent content 2.6 52.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.52 α = 90 b = 67.52 β = 90 c = 275.019 γ = 90
Symmetry Space Group P 43 21 2
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 ADSC QUANTUM 4 mirrors 2003-10-04 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 0.933 BESSY 14.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 1.9 69.01 98 0.132 0.113 3.8 3.8 66245 48481 7.8 3 23.988
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.949 99.5 0.564 0.484 1 3.7 3759
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 MAD THROUGHOUT 1.9 69.01 3 7.8 51779 48481 2610 99.2 0.1781 0.175 0.17631 0.1763 0.211 0.2116 RANDOM 24.407
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] 0.77 0.77 -1.54
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.281 r_dihedral_angle_4_deg 17.904 r_dihedral_angle_3_deg 13.43 r_dihedral_angle_1_deg 6.131 r_scangle_it 3.518 r_scbond_it 2.336 r_angle_refined_deg 1.544 r_mcangle_it 1.434 r_mcbond_it 0.959 r_nbtor_refined 0.316
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.281 r_dihedral_angle_4_deg 17.904 r_dihedral_angle_3_deg 13.43 r_dihedral_angle_1_deg 6.131 r_scangle_it 3.518 r_scbond_it 2.336 r_angle_refined_deg 1.544 r_mcangle_it 1.434 r_mcbond_it 0.959 r_nbtor_refined 0.316 r_nbd_refined 0.214 r_symmetry_hbond_refined 0.192 r_symmetry_vdw_refined 0.169 r_xyhbond_nbd_refined 0.156 r_chiral_restr 0.1 r_bond_refined_d 0.015 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4162 Nucleic Acid Atoms Solvent Atoms 404 Heterogen Atoms 59
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction CCP4 data scaling SOLVE phasing