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X-Ray Structure of the Cytochrome-c(2)-Photosynthetic Reaction Center Electron Transfer Complex from Rhodobacter sphaeroides in Type II Co-Crystals
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AIJ PDB ID Code 1AIJ and 1CXC are starting models for the reaction center and cytochrome c2 respectively. experimental model PDB 1CXC PDB ID Code 1AIJ and 1CXC are starting models for the reaction center and cytochrome c2 respectively.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 292 10% PEG 4000, 0.06%(w/v) lauryldimethylamine-N-oxide, 3.9%(w/v) heptane-1,2,3-triol, 15 mM Tricine, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 3.15 60.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.222 α = 90 b = 115.65 β = 110.29 c = 79.677 γ = 90
Symmetry Space Group P 1 21 1
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 4 2001-03-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.10 ALS 5.0.2
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 2.4 45.73 96.8 0.1 4.6 3.9 50331 50331 63.2
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) 1 2.4 2.53 83.7 0.326 2.1 3 6325
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ID Code 1AIJ and 1CXC are starting models for the reaction center and cytochrome c2 respectively. 2.4 45.73 50307 50307 2523 96.7 0.22 0.2094 0.264 0.2512 random 61.5
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] 26.131 2.077 -28.599 2.468
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 19.799 c_angle_deg 1.294 c_improper_angle_d 0.9267 c_bond_d 0.00761
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7202 Nucleic Acid Atoms Solvent Atoms 285 Heterogen Atoms 615
Software Software Software Name Purpose CNS refinement MOSFLM data reduction CCP4 data scaling CNS phasing