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Crystal Structure of the Acid Blue Form of Bacteriorhodopsin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IW6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 2 277 ammonium sulfate, pH 2.00, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.09 40
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 102.64 α = 90 b = 102.64 β = 90 c = 109.04 γ = 120
Symmetry Space Group P 6 2 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 RIGAKU JUPITER 210 MIRRORS 2004-11-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL38B1 1.0 SPring-8 BL38B1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.3 54.52 99.7 0.074 0.074 6.3 6.6 15620 15527 45
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.42 100 0.5 0.5 1.6 6.1 2216
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 1iw6 2.3 14.91 15587 15506 767 99.5 0.238 0.238 0.238 0.2458 0.282 0.2897 RANDOM 43.54
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] -1.35 1.36 3.27 -1.92
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 1.1 x_torsion_deg 1 x_torsion_impr_deg 0.41 x_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1666 Nucleic Acid Atoms Solvent Atoms 25 Heterogen Atoms 133
Software Software Software Name Purpose CNS refinement MOSFLM data reduction CCP4 data scaling XTALVIEW refinement