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CRYSTAL STRUCTURE ANALYSIS OF E. COLI L-ASPARAGINASE II (Y25F MUTANT)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3ECA PDB ENTRY 3ECA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.8 298 MPD, calcium chloride, sodium citrate, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.33 47.26
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.999 α = 90 b = 80.999 β = 90 c = 341.075 γ = 120
Symmetry Space Group P 65 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 290 IMAGE PLATE MARRESEARCH 1995-12-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.98 EMBL/DESY, HAMBURG X11
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 2.45 20 92 0.097 7.9 3.17 74462 23517 15.3
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) 1 2.45 2.54 85.4 0.364 2 1.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) 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 3ECA 2.5 10 1 2 18644 17773 868 75.2 0.182 0.1818 0.245 0.2457 RANDOM 47.4
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] 5.48 -0.62 5.48 -10.97
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.4 c_scangle_it 7.26 c_scbond_it 5.26 c_mcangle_it 5.04 c_mcbond_it 3.4 c_angle_deg 1.4 c_improper_angle_d 0.99 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4860 Nucleic Acid Atoms Solvent Atoms 109 Heterogen Atoms 18
Software Software Software Name Purpose MAR345 data collection SCALEPACK data scaling AMoRE phasing CNS refinement