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Crystal Structure and Allosteric Regulation of the Cytoplasmic Escherichia coli L-Asparaginase I
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1WLS PDB ENTRY 1WLS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 291 0.1M MES, 22.5% MPD, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291.0K
Crystal Properties Matthews coefficient Solvent content 2.42 49.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.763 α = 90 b = 151.586 β = 88.63 c = 87.142 γ = 90
Symmetry Space Group P 1 21 1
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 MARRESEARCH 2005-03-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID 1.01259 APS 22-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.88 50 96.2 0.08 18.2 4 116888 116888 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.88 1.93 85.8 0.31 4.4 3.6 7454
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 1WLS 1.89 50 115353 5807 96.6 0.184 0.1813 0.207 0.2037 RANDOM
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 c_scangle_it 2.99 c_scbond_it 2.01 c_mcangle_it 1.86 c_angle_deg 1.5 c_mcbond_it 1.21 c_bond_d 0.007 c_dihedral_angle_d c_improper_angle_d
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10200 Nucleic Acid Atoms Solvent Atoms 561 Heterogen Atoms 72
Software Software Software Name Purpose MOLREP phasing CNS refinement HKL-2000 data reduction HKL-2000 data scaling