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Serine Acetyltransferase- Complex with Cysteine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SSM PDB ENTRY 1SSM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.4 298 100 mM MES, 20-40 mM MgCl2, 2% (v/v) 2-propanol, 5 mM DTT, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.524 α = 90 b = 97.524 β = 90 c = 108.457 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 125 IMAGE PLATE RIGAKU RAXIS IV Osmic Blue 2003-01-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R
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 1.85 22.9 99.8 0.083 32854 32779 16.4
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) 1 1.85 1.97 99.5 0.218
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 (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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1SSM 1.85 22.9 32779 32779 1625 99.7 0.201 0.201 0.198 0.1984 0.261 0.2578 RANDOM 21.3
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] 2.01 2.05 2.01 -4.02
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_scangle_it 2.89 c_scbond_it 2.26 c_angle_deg 1.9 c_mcangle_it 1.84 c_mcbond_it 1.36 c_improper_angle_d 1.2 c_bond_d 0.019
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3799 Nucleic Acid Atoms Solvent Atoms 369 Heterogen Atoms 16
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling EPMR phasing