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SPECIFIC MUTATIONS IN KRAIT PLA2 LEAD TO DIMERIZATION OF PROTEIN MOLECULES: CRYSTAL STRUCTURE OF KRAIT PLA2 AT 2.1 RESOLUTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FE5 PDB ID 1FE5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 281 50 mM Tris. HCl, 2.8 M NaCl, 1mM NaN3., pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 281K
Crystal Properties Matthews coefficient Solvent content 2.4 48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.36 α = 90 b = 80.36 β = 90 c = 99.44 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 180 IMAGE PLATE MARRESEARCH 2000-08-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 EMBL/DESY, HAMBURG X11
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 2.1 14.3 99.6 0.126 6.4 7.8 12541 12475 -3 24.7
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) 2.18 2.26 99.2 0.24 7.8
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ID 1FE5 2.18 14.26 12541 12397 631 99.6 0.206 0.199 0.199 0.257 RANDOM 24.8
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] 0.15 2.06 0.15 -0.3
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_angle_deg 1.3 c_improper_angle_d 0.85 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_angle_deg 1.3 c_improper_angle_d 0.85 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1796 Nucleic Acid Atoms Solvent Atoms 213 Heterogen Atoms 2
Software Software Software Name Purpose MAR345 data collection SCALEPACK data scaling AMoRE phasing CNS refinement