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Antiparallel four-stranded coiled coil specified by a 3-3-1 hydrophobic heptad repeat
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2B1F PDB ENTRY 2B1F
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 295 PEG 400, cadmium chloride, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 1.9 30
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.985 α = 90 b = 45.985 β = 90 c = 52.987 γ = 90
Symmetry Space Group I 41 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 4 2005-04-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 0.9792 NSLS X4A
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 34.7 98.3 0.043 16.5 8.8 2063 2063 41.3
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 2.07 100 0.392 6.5 9.2 199
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 PDB ENTRY 2B1F 2 34.7 2063 2063 284 98.3 0.23075 0.23075 0.22369 0.2294 0.27629 0.2837 RANDOM 54.231
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] 0.91 0.91 -1.82
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 57.326 r_dihedral_angle_3_deg 24.811 r_scangle_it 11.925 r_dihedral_angle_4_deg 11.355 r_dihedral_angle_1_deg 7.392 r_scbond_it 7.273 r_mcangle_it 4.165 r_angle_refined_deg 3.173 r_mcbond_it 1.982 r_metal_ion_refined 0.637
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 57.326 r_dihedral_angle_3_deg 24.811 r_scangle_it 11.925 r_dihedral_angle_4_deg 11.355 r_dihedral_angle_1_deg 7.392 r_scbond_it 7.273 r_mcangle_it 4.165 r_angle_refined_deg 3.173 r_mcbond_it 1.982 r_metal_ion_refined 0.637 r_symmetry_hbond_refined 0.371 r_symmetry_vdw_refined 0.364 r_nbtor_refined 0.34 r_nbd_refined 0.32 r_chiral_restr 0.245 r_symmetry_metal_ion_refined 0.202 r_bond_refined_d 0.042 r_xyhbond_nbd_refined 0.03 r_gen_planes_refined 0.012 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 237 Nucleic Acid Atoms Solvent Atoms 5 Heterogen Atoms 2
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling PHASER phasing