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Crystal structure of human tetraspanin CD81
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1G8Q
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 LIPIDIC CUBIC PHASE 8 291 25-35% PEG300, Ammonium citrate dibasic, Tris
Crystal Properties Matthews coefficient Solvent content 3.94 68.81
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 101.43 α = 90 b = 73.51 β = 125.11 c = 70.35 γ = 90
Symmetry Space Group C 1 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 77 CCD MARMOSAIC 300 mm CCD 2015-10-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.033 APS 23-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.95 36.755 98.6 0.18 0.998 3.5 4.9 5006
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.95 3.03 95.5 0.3 3.2
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 FREE R-VALUE 1G8Q 2.955 36.755 1.36 5006 533 55.7 0.2695 0.2668 0.2699 0.2935 0.299 Random selection
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 9.466 f_angle_d 0.589 f_chiral_restr 0.034 f_bond_d 0.002 f_plane_restr 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1597 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 28
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing Coot model building