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Isoreticular, interpenetrating co-crystal of Replication Initiator Protein REPE54 and symmetrical expanded duplex (31mer) containing the cognate REPE54 sequence and an additional G-C rich sequence with blunt ends and 5' terminal phosphates.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7U6K
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 298 400 mM MgCl2, 25% PEG 400, and 100 mM Tris HCl
Crystal Properties Matthews coefficient Solvent content 3.36 67.26
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.85 α = 90 b = 132.913 β = 90 c = 136.374 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 CMOS RDI CMOS_8M 2021-10-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 4.2.2 1.0 ALS 4.2.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 2.79 38.85 99.11 0.06383 0.06888 0.02563 0.999 20.86 7.2 17285 79.9
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.79 2.89 99.12 1.115 1.199 0.4398 0.77 1.75 7.4
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 (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2.79 38.85 1.34 17178 1718 99.12 0.1974 0.1925 0.1935 0.24 0.2374 95.62
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 f_dihedral_angle_d 27.8611 f_angle_d 1.3693 f_chiral_restr 0.0779 f_bond_d 0.011 f_plane_restr 0.0109
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1783 Nucleic Acid Atoms 1273 Solvent Atoms 16 Heterogen Atoms 5
Software Software Software Name Purpose PHENIX refinement Coot model building XDS data reduction XSCALE data scaling SCALA data scaling PHASER phasing