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Isoreticular, interpenetrating co-crystal of Replication Initiator Protein REPE54 and scaffold-insert duplexes (21mer and 10mer) containing the cognate REPE54 sequence and an additional G-C rich sequence, respectively.
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 8 298 180 mM MgCl2, 20% PEG 400, and 100 mM Tris HCl
Crystal Properties Matthews coefficient Solvent content 3.31 62.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.809 α = 90 b = 129.493 β = 90 c = 137.118 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 2021-06-30 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 2.8 39 99.8 0.058 0.062 0.023 0.999 27.1 7.3 16760 74.5
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 2.8 2.95 1.019 1.096 0.399 0.725
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 7U6K 2.8 39 1.34 16729 1665 99.65 0.1977 0.1945 0.1978 0.2257 0.2264 89.83
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 27.3384 f_angle_d 0.906 f_chiral_restr 0.0593 f_plane_restr 0.0067 f_bond_d 0.0046
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1747 Nucleic Acid Atoms 1275 Solvent Atoms 12 Heterogen Atoms 6
Software Software Software Name Purpose PHENIX refinement Coot model building XDS data reduction XSCALE data scaling SCALA data scaling PHASER phasing