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CRYSTAL STRUCTURE OF PHYTATE COMPLEX OF ESCHERICHIA COLI PHYTASE AT PH 6.6. 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 2.68 54.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.573 α = 90 b = 75.127 β = 90 c = 90.393 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 1999-06-20 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 2.28 25 97.4 0.031 22.38 2.3 94671 41377 22.3
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) 2.28 2.36 89.6 0.088 1.9
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 2.28 25 41317 41317 2052 97.6 0.189 0.189 0.189 0.1945 0.227 0.2333 RANDOM 35.2
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] 3.41 -6.26 2.84
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 4.31 c_scbond_it 3.34 c_mcangle_it 2.78 c_mcbond_it 1.97 c_angle_deg 1.3 c_improper_angle_d 0.82 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 4.31 c_scbond_it 3.34 c_mcangle_it 2.78 c_mcbond_it 1.97 c_angle_deg 1.3 c_improper_angle_d 0.82 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 272 Heterogen Atoms 39
Software Software Software Name Purpose CNS refinement SCALEPACK data scaling XTALVIEW refinement DENZO data reduction