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Crystal Structure of the Core-Histone Octamer to 1.90 Angstrom Resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICRODIALYSIS 6.7 277 2.0M KCL, 1.35M PHOSPHATE, pH 6.7, MICRODIALYSIS, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.45 64.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 158.351 α = 90 b = 158.351 β = 90 c = 103.576 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 4 Plane Mirror, vertically focussing 2002-12-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX14.2 0.98 SRS PX14.2
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 1.9 14.96 99.86 0.089 25.7 6.3 109956 4.1 25.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.9 1.948 99.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 1.9 14.96 1 109956 5809 99.86 0.18984 0.18844 0.18667 0.1924 0.22152 0.2259 RANDOM 40.325
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 r_scangle_it 6.186 r_dihedral_angle_1_deg 5.889 r_scbond_it 3.808 r_mcangle_it 2.584 r_angle_refined_deg 1.923 r_mcbond_it 1.409 r_angle_other_deg 1.062 r_symmetry_vdw_other 0.323 r_nbd_other 0.263 r_nbd_refined 0.247
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 6.186 r_dihedral_angle_1_deg 5.889 r_scbond_it 3.808 r_mcangle_it 2.584 r_angle_refined_deg 1.923 r_mcbond_it 1.409 r_angle_other_deg 1.062 r_symmetry_vdw_other 0.323 r_nbd_other 0.263 r_nbd_refined 0.247 r_symmetry_hbond_refined 0.197 r_chiral_restr 0.194 r_xyhbond_nbd_refined 0.19 r_symmetry_vdw_refined 0.163 r_nbtor_other 0.091 r_bond_refined_d 0.024 r_gen_planes_refined 0.009 r_bond_other_d 0.002 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5965 Nucleic Acid Atoms Solvent Atoms 612 Heterogen Atoms 48
Software Software Software Name Purpose REFMAC refinement PXGEN data reduction SCALEPACK data scaling AMoRE phasing