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STRUCTURAL CHARACTERISATION OF AN ENGINEERED TANDEM REPEAT CONTRASTS THE IMPORTANCE OF CONTEXT AND SEQUENCE IN PROTEIN FOLDING
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other CYS-FREE VERSION OF T4 LYSOZYME
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 CRYSTALS WERE GROWN FROM 20%
POLYETHYLENE GLYCOL 6000, 20% ISOPROPANOL,
50MM TRIS-HCL PH 7.5
Crystal Properties Matthews coefficient Solvent content 2.72 54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.72 α = 90 b = 55.79 β = 110.97 c = 65.18 γ = 90
Symmetry Space Group P 1 21 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 IMAGE PLATE Rigaku R-AXIS IIc M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 rotating-anode X-ray tube RIGAKU
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 2.5 55 99.5 0.04 3.5 47089 33.46
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) 2.5 0.2 2
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT CYS-FREE VERSION OF T4-LYSOZYME 2.5 55 13295 13295 99.5 0.227 0.2277
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]
RMS Deviations Key Refinement Restraint Deviation t_dihedral_angle_d 18.4 t_angle_deg 2.1 t_nbd 0.106 t_bond_d 0.011 t_gen_planes 0.01 t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2744 Nucleic Acid Atoms Solvent Atoms 98 Heterogen Atoms
Software Software Software Name Purpose TNT refinement REFMAC refinement XDS data reduction XDS data scaling TNT phasing