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The third PDZ domain from the synaptic protein PSD-95 (G330T, H372A double mutant)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BFE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 289 Reservoir solution contained 1 M sodium citrate, pH 7.0. Equal amounts (1.5 microliters) of protein (13 mg/mL) and reservoir solution were mixed and equillibrated against 500 microliters of crystallization buffer.
Crystal Properties Matthews coefficient Solvent content 2.14 42.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 89.281 α = 90 b = 89.281 β = 90 c = 89.281 γ = 90
Symmetry Space Group P 41 3 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 315r 2012-02-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.9793144 APS 19-ID
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 1.6 28.233 99.85 0.043 63.192 15.4 16618
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 1.5999 1.647 2.111 15.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 FREE R-VALUE 1BFE 1.6 28.233 1.49 16618 1662 99.85 0.1827 0.1811 0.1839 0.1968 0.1992 random selection
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 f_dihedral_angle_d 18.622 f_angle_d 1.257 f_chiral_restr 0.076 f_bond_d 0.014 f_plane_restr 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 892 Nucleic Acid Atoms Solvent Atoms 127 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing Coot model building