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Crystal Structure of Werner helicase fragment 517-945 in complex with ATP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other Other inhouse model
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.2 277 5 mg/mL protein in 20mM TRIS/HCl pH7.5, 350mM NaCl, 0.25mM TCEP, 2.5% glycerol mixed 20nL with 20nL seed solution and 110nL reservoir consisting of 0.2M NaCl, 0.1M Na/K Phosphate, 10%w/v PEG8000
Crystal Properties Matthews coefficient Solvent content 2.38 48.39
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.227 α = 90 b = 90.227 β = 102.82 c = 54.002 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 PIXEL PSI PILATUS 6M 2021-09-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 0.99997 SLS X10SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) 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 2.21 52.66 98.7 0.433 0.469 0.988 4.99 6.866 23329 28.12
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.21 2.27 87.5 5.526 6.122 0.15 0.25 5.423
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 inhouse model 2.21 52.66 1.42 13769 711 58.6 0.2078 0.2048 0.2286 0.263 0.2922 RANDOM 41.5418
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 3346 Nucleic Acid Atoms Solvent Atoms 68 Heterogen Atoms 34
Software Software Software Name Purpose XSCALE data scaling PHENIX refinement PDB_EXTRACT data extraction XDS data reduction PHASER phasing