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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 2.98 58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.125 α = 90 b = 61.125 β = 90 c = 97.338 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 298 CCD ADSC QUANTUM 1 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 CHESS A1
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 30 86.5 0.084 4.3 28161 37.5
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 30 7004 7004 86.5 0.17 0.17
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_angle_deg 2 t_nbd 0.106 t_gen_planes 0.015 t_bond_d 0.01 t_trig_c_planes 0.008 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1372 Nucleic Acid Atoms Solvent Atoms 43 Heterogen Atoms
Software Software Software Name Purpose TNT refinement REFMAC refinement MOSFLM data reduction XDS data scaling TNT phasing