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STRUCTURE OF PHOSPHOSERINE AMINOTRANSFERASE FROM ESCHERICHIA COLI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277 PROTEIN WAS CRYSTALLIZED AT 4-7 DEGREES CELSIUS BY HANGING DROP METHOD, USING PEG4000 AS A PRECIPITATING AGENT, BUFFERED WITH SODIUM ACETATE TO PH 7.2 IN THE DROP AND PH 5.6 IN THE RESERVOIR. THE PH-GRADIENT WAS ESSENTIAL FOR THE CRYSTALLIZATION., vapor diffusion - hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.7 52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.74 α = 90 b = 94.74 β = 90 c = 133.64 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 277 IMAGE PLATE MARRESEARCH 1996-01-18 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ELLIOTT GX-20
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 2.3 32.5 98.2 0.083 14.7 4.5 38831 29.8
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) 2.3 2.38 99.9 0.474 3.3 4.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) 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 MIRAS THROUGHOUT 2.3 32.5 38831 1945 98.3 0.175 0.175 0.1762 0.201 0.1988 RANDOM 33
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 24 x_scangle_it 5.63 x_scbond_it 3.65 x_mcangle_it 2.91 x_mcbond_it 1.85 x_angle_deg 1.3 x_improper_angle_d 1.16 x_bond_d 0.008 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24 x_scangle_it 5.63 x_scbond_it 3.65 x_mcangle_it 2.91 x_mcbond_it 1.85 x_angle_deg 1.3 x_improper_angle_d 1.16 x_bond_d 0.008 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 5609 Nucleic Acid Atoms Solvent Atoms 241 Heterogen Atoms 30
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing