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The X-ray Crystal Structure of PCSK9 in Complex with the LDL receptor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2QTW PDB entries 2QTW, 1IJQ experimental model PDB 1IJQ PDB entries 2QTW, 1IJQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 297 1.4 M Ammonium phosphate, 0.2M sodium chloride in 0.1M Imidazole buffer, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 322.906 α = 90 b = 322.906 β = 90 c = 76.733 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 mirrors 2009-04-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.3 0.9775 ALS 5.0.3
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 7.01 279.645 99.1 0.173 0.173 3.2 5.8 6162 6162
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 7.01 7.38 98.2 0.776 0.776 0.6 5.9
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-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB entries 2QTW, 1IJQ 7.01 279.64 6162 6162 290 82.2 0.342 0.341 0.3393 0.362 0.3534 182.3
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 f_dihedral_angle_d 18.871 f_angle_d 2.286 f_chiral_restr 0.114 f_bond_d 0.019 f_plane_restr 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7687 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 3
Software Software Software Name Purpose PHASER phasing PHENIX refinement MOSFLM data reduction SCALA data scaling