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Crystal structure of a 6-helix coiled coil CC-hex-H24
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3R3K PDB ENTRY 3R3K WITH IODOPHENYL GROUPS CHANGED TO TYROSINE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 291 30mM sodium fluoride, 30 mM sodium bromide, 30 mM sodium iodide, 50 mM sodium HEPES, 50mM MOPS (acid) pH 7.5, 20% PEG-MME 550, 10% PEG 20K, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.68 54.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.804 α = 90 b = 55.804 β = 90 c = 139.875 γ = 90
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 2010-08-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I02 0.9795 Diamond I02
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 23.9 99.9 0.072 23.6 7.2 14790
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) 1 2.5 2.59 100 0.575 1.6 5.3
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) 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 ENTRY 3R3K WITH IODOPHENYL GROUPS CHANGED TO TYROSINE 2.5002 23.505 14714 743 99.56 0.2257 0.2226 0.2195 0.2847 0.2809
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] 32.7804 32.7804 14.7803
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.905 f_angle_d 0.83 f_chiral_restr 0.052 f_bond_d 0.007 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2642 Nucleic Acid Atoms Solvent Atoms 128 Heterogen Atoms 2
Software Software Software Name Purpose PHENIX refinement PHASER phasing CNS refinement PDB_EXTRACT data extraction DENZO data reduction SCALEPACK data scaling