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Molecular Basis for Complement Recognition and Inhibition Determined by Crystallographic Studies of the Staphylococcal Complement Inhibitor (SCIN) Bound to C3c and C3b
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 277 2.5mg/ml protein, 0.1M HEPES, 10% PEG6000, 5% 2-Methyl-2,4-pentanediol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.19 61.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 231.159 α = 90 b = 231.497 β = 90 c = 68.885 γ = 90
Symmetry Space Group P 21 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 93 CCD MARMOSAIC 225 mm CCD Mirror 2009-10-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 1.00 APS 22-BM
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 3.5 50 93.4 0.121 6.6 7.4 44393 44393 2.4 2.4
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 3.5 3.63 85.1 0.466 3.7 3999
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 MOLECULAR REPLACEMENT 3.503 46.275 1.34 44338 44269 2014 93.09 0.2747 0.2738 0.2681 0.2938 0.2865 Random 69.1916
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] 5.9083 -13.7816 22.3679
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 20.363 f_angle_d 1.318 f_chiral_restr 0.078 f_bond_d 0.01 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 19091 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 28
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing RESOLVE phasing PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data collection