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E(L212)A, D(L213)A, R(M233)L triple mutant structure of photosynthetic reaction center from Rhodobacter sphaeroides
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1K6L 1K6L with the three mutation sites changed as follows: L212Glu, L213Asp and M233Arg were changed to Alanines by truncating their sidechains at CB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 Potassium phosphate, LDAO, Heptane triol, Dioxane, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 5.87 79.05
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 141.3 α = 90 b = 141.3 β = 90 c = 187.6 γ = 120
Symmetry Space Group P 31 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 293 IMAGE PLATE RIGAKU RAXIS IIC mirrors 2003-02-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.54
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 3.1 30 85 0.086 11.2 1.7 32158 -3
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 3.1 3.21 73 0.369 2.3 1.7 2504
Refinement Statistics Diffraction ID Structure Solution 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 1K6L with the three mutation sites changed as follows: L212Glu, L213Asp and M233Arg were changed to Alanines by truncating their sidechains at CB 3.1 30 32157 32157 2253 81 0.2093 0.1997 0.2238 0.2129 random
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6459 Nucleic Acid Atoms Solvent Atoms 88 Heterogen Atoms 679
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing