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Anabaena HU-DNA cocrystal structure (AHU2)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1P71 PDB ENTRY 1P71
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 292 Peg 5000 monomethyl ether, glycerol, tris, jeffamine, potassium chloride, calcium chloride, sodium azide, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 2.7 54.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.43 α = 90 b = 91.81 β = 90 c = 100.75 γ = 90
Symmetry Space Group P 21 21 21
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 CUSTOM-MADE 2002-02-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 1.0078 APS 19-ID
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 2.2 50 91.7 0.05 6.3 16454 16454 -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 2.28 54.9 0.376 4.2
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 (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT PDB ENTRY 1P71 2.25 25 17158 13935 677 85.16 0.24089 0.23908 0.2471 0.27589 0.283 RANDOM 25.498
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] -0.6 2.99 -2.39
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 4.748 r_scangle_it 2.55 r_scbond_it 1.688 r_angle_refined_deg 1.625 r_mcangle_it 0.787 r_mcbond_it 0.421 r_symmetry_vdw_refined 0.253 r_nbd_refined 0.227 r_xyhbond_nbd_refined 0.168 r_chiral_restr 0.081
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 4.748 r_scangle_it 2.55 r_scbond_it 1.688 r_angle_refined_deg 1.625 r_mcangle_it 0.787 r_mcbond_it 0.421 r_symmetry_vdw_refined 0.253 r_nbd_refined 0.227 r_xyhbond_nbd_refined 0.168 r_chiral_restr 0.081 r_symmetry_hbond_refined 0.024 r_bond_refined_d 0.013 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_dihedral_angle_2_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_symmetry_vdw_other r_symmetry_hbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1384 Nucleic Acid Atoms 812 Solvent Atoms 94 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing