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Human Complement Component C3b
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2A73 2A73, 2A74, 1C3D experimental model PDB 2A74 2A73, 2A74, 1C3D experimental model PDB 1C3D 2A73, 2A74, 1C3D
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.8 303 PEG-MME 2000, sodium acetate,
Bis-Tris propane, taurine, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 303K
Crystal Properties Matthews coefficient Solvent content 3.33 63.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 123.91 α = 90 b = 128.537 β = 90 c = 147.034 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 100 CCD ADSC QUANTUM 315 2006-02-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-4 0.9395 ESRF ID14-4
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 4 45 99.8 0.149 10.1 5.3 20515 20474 100
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 4 4.22 100 0.713 2 5.5 2911
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 2A73, 2A74, 1C3D 4 45 20412 20474 1045 99.7 0.275 0.27524 0.27259 0.2829 0.32293 0.316 RANDOM 174.051
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] 1.29 14.01 -15.31
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 27.06 r_dihedral_angle_3_deg 14.389 r_dihedral_angle_4_deg 12.092 r_dihedral_angle_1_deg 4.378 r_angle_refined_deg 0.74 r_nbtor_refined 0.328 r_symmetry_hbond_refined 0.259 r_symmetry_vdw_refined 0.253 r_nbd_refined 0.233 r_xyhbond_nbd_refined 0.221
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 27.06 r_dihedral_angle_3_deg 14.389 r_dihedral_angle_4_deg 12.092 r_dihedral_angle_1_deg 4.378 r_angle_refined_deg 0.74 r_nbtor_refined 0.328 r_symmetry_hbond_refined 0.259 r_symmetry_vdw_refined 0.253 r_nbd_refined 0.233 r_xyhbond_nbd_refined 0.221 r_chiral_restr 0.052 r_bond_refined_d 0.004 r_gen_planes_refined 0.002 r_mcbond_it r_mcangle_it r_scbond_it r_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 12104 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 53
Software Software Software Name Purpose REFMAC refinement DNA data collection MOSFLM data reduction CCP4 data scaling PHASER phasing