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ASPARAGINASE FROM E. COLI, MUTANT T89V WITH COVALENTLY BOUND ASPARTATE
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 5 277 CRYSTALS WERE GROWN BY VAPOR DIFFUSION PROTEIN SOLUTION: 17 MG/ML PROTEIN IN 10 MM TRIS-HCL, PH 7.0 WELL SOLUTION: 36% MPD, 100 MM SODIUM ASPARTATE, 100 MM SODIUM ACETATE, PH 5.0 DROP PROTEIN:WELL = 1:2 TEMPERATURE: 4C, vapor diffusion - hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.74 65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95 α = 90 b = 126.2 β = 90 c = 155.7 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 110 IMAGE PLATE RIGAKU 1995-06-08 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.2 20 72 0.102 0.102 11 2.9 68197
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.3 58 0.41 0.41 2.2 2.2
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 3ECA 2.2 10 2.5 60324 62.4 0.181 0.181 0.1763 20.8
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 x_dihedral_angle_d 25 x_mcangle_it 2.61 x_scangle_it 2.61 x_mcbond_it 2.54 x_scbond_it 2.54 x_angle_deg 1.9 x_improper_angle_d 1.8 x_bond_d 0.015 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 25 x_mcangle_it 2.61 x_scangle_it 2.61 x_mcbond_it 2.54 x_scbond_it 2.54 x_angle_deg 1.9 x_improper_angle_d 1.8 x_bond_d 0.015 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9756 Nucleic Acid Atoms Solvent Atoms 720 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling X-PLOR model building X-PLOR refinement X-PLOR phasing