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First structural evidence of substrate specificity in mammalian peroxidases: Crystal structures of substrate complexes with lactoperoxidases from two different species
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2R5L PDB ENTRY 2R5L
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 298 10mM Phosphate buffre, 2mM CaCl2, 20% PEG3350, 0.2M Ammonium Iodide, pH6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.44 49.65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.207 α = 90 b = 80.541 β = 102.64 c = 77.877 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 291 IMAGE PLATE MAR scanner 345 mm plate Mirror 2008-09-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.54132
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.4 19.46 98.6 26796 25355 48
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.5 99.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 PDB ENTRY 2R5L 2.4 19.46 26796 25355 496 98.7 0.18 0.18 0.1817 0.195 0.2122 RANDOM 38.9
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] -2.41 -0.81 -4.01 6.43
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.9 c_scangle_it 4.89 c_scbond_it 3.49 c_mcangle_it 2.79 c_mcbond_it 1.72 c_angle_deg 1.7 c_improper_angle_d 1.14 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.9 c_scangle_it 4.89 c_scbond_it 3.49 c_mcangle_it 2.79 c_mcbond_it 1.72 c_angle_deg 1.7 c_improper_angle_d 1.14 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4778 Nucleic Acid Atoms Solvent Atoms 398 Heterogen Atoms 202
Software Software Software Name Purpose MAR345dtb data collection AMoRE phasing CNS refinement AUTOMAR data reduction SCALEPACK data scaling