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Crystal structure of Ca2+-free S100A2 at 1.6 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1KSO MODEL based S100A3 pdb code 1KSO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.4 293 0.1 M sodium acetate, 10% isopropanol, 35-40% PEG 4000, pH 7.4, VAPOR DIFFUSION, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.69965 27.632162
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 43.516 α = 90 b = 57.82 β = 90 c = 59.794 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 100 CCD MARMOSAIC 225 mm CCD 2005-06-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA 0.97927 SLS X06SA
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 1.6 97.7 0.086 14.59 20053 -3 24.443
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) 1.6 1.8 95.4 0.56 3.7
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT MODEL based S100A3 pdb code 1KSO 1.6 19.28 20053 20053 1003 100 0.188 0.188 0.186 0.2007 0.227 0.2389 RANDOM 11.88
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] 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.027 r_dihedral_angle_3_deg 15.946 r_dihedral_angle_1_deg 5.858 r_scangle_it 3.801 r_scbond_it 2.314 r_mcangle_it 1.454 r_angle_refined_deg 1.445 r_angle_other_deg 1.393 r_mcbond_it 0.832 r_nbd_refined 0.247
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.027 r_dihedral_angle_3_deg 15.946 r_dihedral_angle_1_deg 5.858 r_scangle_it 3.801 r_scbond_it 2.314 r_mcangle_it 1.454 r_angle_refined_deg 1.445 r_angle_other_deg 1.393 r_mcbond_it 0.832 r_nbd_refined 0.247 r_mcbond_other 0.233 r_symmetry_vdw_refined 0.219 r_symmetry_vdw_other 0.21 r_symmetry_hbond_refined 0.199 r_nbtor_refined 0.19 r_xyhbond_nbd_refined 0.178 r_nbd_other 0.175 r_metal_ion_refined 0.135 r_nbtor_other 0.093 r_chiral_restr 0.087 r_bond_refined_d 0.014 r_symmetry_metal_ion_refined 0.011 r_gen_planes_refined 0.006 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1476 Nucleic Acid Atoms Solvent Atoms 175 Heterogen Atoms 3
Software Software Software Name Purpose XSCALE data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction XDS data reduction