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Crystal structure of the trans isomer of the L93A mutant of bacteriorhodopsin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IW6 PDB ENTRY 1iw6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 membrane fusion method 5.2 283 membrane fusion method, 2.3M ammonium sulfate, 0.05M Na-citrate, pH 5.2, temperature 283K
Crystal Properties Matthews coefficient Solvent content 3.02 59.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 102.6 α = 90 b = 102.6 β = 90 c = 112.34 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 ADSC QUANTUM 315 Si (111) double crystal monochromator 2011-07-07 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 88.9 96.7 0.065 0.068 47.6 8.8 16031 15435 2.3 2.3 47.2
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 95.9 0.273 0.287 14.1 9.5
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 (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 ENTRY 1iw6 2.3 15 16031 15397 916 96 0.2524 0.2536 0.2845 0.2836 RANDOM 47.2861
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] -11.752 -13.375 -11.752 23.505
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.2512 c_scangle_it 2.25 c_mcangle_it 1.706 c_scbond_it 1.542 c_angle_deg 1.20852 c_mcbond_it 1.042 c_improper_angle_d 0.78653 c_bond_d 0.007514
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1762 Nucleic Acid Atoms Solvent Atoms 43 Heterogen Atoms 123
Software Software Software Name Purpose ADSC data collection CNS refinement MOSFLM data reduction SCALA data scaling CNS phasing