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CRYSTAL STRUCTURE OF THE PEROXIDE FORM OF THE VANADIUM-CONTAINING CHLOROPEROXIDASE FROM CURVULARIA INAEQUALIS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1VNC PDB ENTRY 1VNC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 294 Reservoir: 1.5 M ammonium sulfate, 0.1 M Tris-HCl; protein drop: 7.5 microliter protein solution (8.7 mg/ml), 1 mM Na3VO4 plus 2.5 microliter reservoir solution. The peroxide complex was produced by soaking the crystals in mother liquor (2M ammonium sulfate, 0.1 M Tris-H2SO4, pH 8.0), containing 20 mM peroxide, for two hours and then flash cooled., VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.68 54.15
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 129.95 α = 90 b = 129.95 β = 90 c = 111.71 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 IMAGE PLATE MARRESEARCH Graphite monochromator 1996-06-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
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 2.24 33.84 88.3 0.118 0.114 7.5 2.1 33853 29878 34
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) 2.24 2.34 40.2 0.297 0.293 1.2 2 3750
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS PDB ENTRY 1VNC 2.24 8 33172 29291 88.3 0.177 0.1709 29.13
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 c_dihedral_angle_d 23.17 c_angle_deg 1.605 c_improper_angle_d 1.5 c_bond_d 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4487 Nucleic Acid Atoms Solvent Atoms 604 Heterogen Atoms 5
Software Software Software Name Purpose CCP4: model building FFT model building X-PLOR refinement MOSFLM data reduction CCP4 data scaling ROTAVATA data scaling CCP4 phasing SFCALC phasing FFT phasing