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Crystal Structure of Human Complement C3b in Complex with MCP (CCP1-4)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2I07 PDB ENTRY 2I07, PDB ENTRY 3O8E experimental model PDB 3O8E PDB ENTRY 2I07, PDB ENTRY 3O8E
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 100MM AMMONIUM CITRATE 7% PEG 3350 5MM GLUTATHIONE 50MM BIS-TRIS PROPANE, PH 6.5
Crystal Properties Matthews coefficient Solvent content 3.4 63.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.83 α = 90 b = 130.63 β = 90 c = 233.83 γ = 90
Symmetry Space Group P 21 2 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 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID29 ESRF ID29
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 2.4 69.95 99 0.09 6.8 3.8 98854 1.5 42.69
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 2.4 2.44 96.2 0.41 2 2.9
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) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 2I07, PDB ENTRY 3O8E 2.4 57.02 1.34 98766 4925 98.81 0.1895 0.1879 0.1928 0.2188 0.2226 67
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 f_dihedral_angle_d 15.853 f_angle_d 0.851 f_chiral_restr 0.057 f_bond_d 0.005 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 13118 Nucleic Acid Atoms Solvent Atoms 492 Heterogen Atoms 195
Software Software Software Name Purpose PHENIX refinement iMOSFLM data reduction Aimless data scaling PHASER phasing