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Bromide-bound form of pharaonis halorhodopsin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3A7K PDB ENTRY 3A7K
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 9 288 Crystallization: 3.5 mg/ml halorhodopsin, 5mg/ml nonylglucoside, 2.8M ammonium sulfate, 0.1 M glycine, 0.1M NaCl Post-crystallization soaking: 0.1 M Sodium Bromide, 3 M ammonium sulfate, 0.1 M Hepes (pH7), 30% trehalose , pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 288K
Crystal Properties Matthews coefficient Solvent content 3.22 61.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 152.15 α = 90 b = 99.72 β = 127.8 c = 99.97 γ = 90
Symmetry Space Group C 1 2 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 315 mirrors 2010-04-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL26B2 0.912 SPring-8 BL26B2
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 2.2 49.9 97.2 0.095 5.2 3.8 59789 58115 33.4
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 2.2 2.32 82.9 0.501 0.501 2.5 3.8 7213
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 3A7K 2.2 15 58105 2936 97.3 0.2482 0.2482 0.2453 0.2669 0.264 RANDOM 38.4497
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] 9.8 7.737 -10.139 0.332
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.61401 c_scangle_it 2.364 c_mcangle_it 1.897 c_scbond_it 1.732 c_mcbond_it 1.234 c_angle_d 1.13455 c_improper_angle_d 0.79057 c_bond_d 0.006409
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5882 Nucleic Acid Atoms Solvent Atoms 151 Heterogen Atoms 120
Software Software Software Name Purpose ADSC data collection CNS refinement MOSFLM data reduction SCALA data scaling CNS phasing