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Crystal structure of the 4-helix coiled coil CC-tet
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3R4H PDB ENTRY 3R4H WITH IODOPHENYL GROUPS CHANGED TO TYROSINE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 0.2M lithium sulfate, 0.1M Tris pH 8.5, 1.26M ammonium sulfate, supplemented with 25% glycerol for cryo-protection
, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.18 43.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.73 α = 90 b = 50.9 β = 90 c = 103.06 γ = 90
Symmetry Space Group I 2 2 2
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 2009-08-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I02 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 2.07 41.03 100 0.102 12.8 6.7 7490
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 2.07 2.18 99.9 0.624 2.9 6.7
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 3R4H WITH IODOPHENYL GROUPS CHANGED TO TYROSINE 2.0701 22.819 7271 362 97.14 0.2123 0.2094 0.2067 0.2696 0.2625 RANDOM 29.7758
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] 0.1044 8.9886 -9.0929
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.106 f_angle_d 0.773 f_chiral_restr 0.043 f_bond_d 0.007 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 883 Nucleic Acid Atoms Solvent Atoms 63 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement SCALEPACK data scaling PHASER phasing CNS refinement PDB_EXTRACT data extraction DENZO data reduction