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CRYSTAL STRUCTURE OF PHYTATE COMPLEX ESCHERICHIA COLI PHYTASE AT PH 5.0. PHYTATE IS BOUND WITH ITS 3-PHOSPHATE IN THE ACTIVE SITE. HG2+ CATION ACTS AS AN INTERMOLECULAR BRIDGE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.6 298 ETHYLENE GLYCOL, GLYCEROL, 2-MORPHOLINOPROPANESULFONIC ACID, MERCURIC CHLORIDE, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.66 53.79
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.445 α = 90 b = 75.141 β = 90 c = 89.957 γ = 90
Symmetry Space Group P 21 21 21
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 1999-07-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 2.05 25 96.1 0.062 13.9 3.3 184164 55402 21
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) 2.05 2.12 91.5 0.264 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 THROUGHOUT 2.05 25 55360 55360 2710 95.9 0.217 0.217 0.217 0.2219 0.257 0.2633 RANDOM 33.4
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] -0.03 -7.32 7.35
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_scangle_it 3.73 c_scbond_it 2.86 c_mcangle_it 2.42 c_mcbond_it 1.79 c_angle_deg 1.3 c_improper_angle_d 0.84 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_scangle_it 3.73 c_scbond_it 2.86 c_mcangle_it 2.42 c_mcbond_it 1.79 c_angle_deg 1.3 c_improper_angle_d 0.84 c_bond_d 0.006 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 3140 Nucleic Acid Atoms Solvent Atoms 228 Heterogen Atoms 39
Software Software Software Name Purpose CNS refinement SCALEPACK data scaling XTALVIEW refinement DENZO data reduction