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Structure of mutant tryptophan synthase alpha-subunit (D146A) from a hyperthermophile, Pyrococcus furiosus
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GEQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 283 0.1M MES-NAOH, 10-15% PEG 20000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K
Crystal Properties Matthews coefficient Solvent content 2.13 42.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 73.378 α = 90 b = 76.5 β = 90 c = 166.9 γ = 90
Symmetry Space Group C 2 2 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 CCD OXFORD PX210 mirror 2001-11-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL44XU 0.9 SPring-8 BL44XU
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 2.3 44.71 99.6 0.088 11.5 5.14 21211 21211 39.1
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) 2.3 2.38 100 0.251 3.4 2075
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 1GEQ 2.4 19.99 18657 18657 916 99.7 0.214 0.214 0.29 RANDOM 32.6
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] -2.27 5.33 -3.07
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.6 c_scangle_it 3.14 c_mcangle_it 2.3 c_scbond_it 2.12 c_mcbond_it 1.42 c_angle_deg 1.3 c_improper_angle_d 0.76 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.6 c_scangle_it 3.14 c_mcangle_it 2.3 c_scbond_it 2.12 c_mcbond_it 1.42 c_angle_deg 1.3 c_improper_angle_d 0.76 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 3831 Nucleic Acid Atoms Solvent Atoms 265 Heterogen Atoms
Software Software Software Name Purpose CNS refinement d*TREK data reduction d*TREK data scaling CNS phasing