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Mechanism of homologous recombination from the RecA-ssDNA/dsDNA structures
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 RecA4 fusion protein mixed with 2 mM AMPPNP and 10 mM MgCl2, pH 7.5, followed by crystallization from 100 mM Bis-Tris-Cl, 7% (w/v) PEG 3350, 100 mM KSCN, 25% (v/v) ethylene glycol, pH 6.5.
Crystal Properties Matthews coefficient Solvent content 3.07 59.89
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 176.6 α = 90 b = 189.8 β = 90 c = 424.3 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 2007-08-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 4.3 40 87622
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 THROUGHOUT 4.3 20 87622 1810 92.7 0.24351 0.24314 0.2747 0.26144 0.2855 RANDOM 220.934
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] -5.04 5.79 -0.75
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.831 r_dihedral_angle_3_deg 21.654 r_dihedral_angle_4_deg 15.154 r_dihedral_angle_1_deg 6.942 r_scangle_it 2.096 r_mcangle_it 1.676 r_angle_refined_deg 1.616 r_scbond_it 1.235 r_mcbond_it 0.934 r_symmetry_vdw_refined 0.487
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.831 r_dihedral_angle_3_deg 21.654 r_dihedral_angle_4_deg 15.154 r_dihedral_angle_1_deg 6.942 r_scangle_it 2.096 r_mcangle_it 1.676 r_angle_refined_deg 1.616 r_scbond_it 1.235 r_mcbond_it 0.934 r_symmetry_vdw_refined 0.487 r_nbtor_refined 0.318 r_symmetry_hbond_refined 0.279 r_nbd_refined 0.253 r_xyhbond_nbd_refined 0.168 r_chiral_restr 0.098 r_metal_ion_refined 0.043 r_bond_refined_d 0.016 r_gen_planes_refined 0.004 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_refined 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 70737 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 1024
Software Software Software Name Purpose REFMAC refinement