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Evaulaution at Atomic Resolution of the Role of Strain in Destabilizing the Temperature Sensitive T4 Lysozyme Mutant Arg96-->His
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1L63 wild type T4 lysozyme at 1.7 Angstroms and room temp
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.3 277 2 M Na/K Phosphate, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.67 53.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 60.123 α = 90 b = 60.123 β = 90 c = 95.445 γ = 120
Symmetry Space Group P 32 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 IMAGE PLATE MAR scanner 345 mm plate 1999-07-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 1.08 SSRL BL9-1
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 1.08 17.9 99.5 0.038 20.3 4.9 85136 72503 4 2 10.4
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) 1.08 1.14 99.5 0.23 4.3 3.4 11790
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 AB INITIO FREE R l163, wild type T4 lysozyme at 1.7 Angstroms and room temp. 1.08 17.9 85136 72503 4242 99.5 0.1435 0.138 0.1289 0.1338 0.163 0.1376 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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 19 1264.5 1535.05
RMS Deviations Key Refinement Restraint Deviation s_approx_iso_adps 0.1 s_non_zero_chiral_vol 0.074 s_zero_chiral_vol 0.071 s_similar_adp_cmpnt 0.049 s_anti_bump_dis_restr 0.038 s_angle_d 0.029 s_from_restr_planes 0.0237 s_bond_d 0.015 s_rigid_bond_adp_cmpnt 0.006 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1315 Nucleic Acid Atoms Solvent Atoms 257 Heterogen Atoms 17
Software Software Software Name Purpose MAR345dtb data collection SHELX model building SHELXL-97 refinement MOSFLM data reduction SCALA data scaling SHELX phasing