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CRYSTAL STRUCTURE OF AN ENGINEERED CRO MONOMER BOUND NONSPECIFICALLY TO DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ORC PDB ENTRY 1ORC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 293 COCRYSTALS WERE OBTAINED BY MIXING A 1.5 MOLAR EXCESS OF THE 7BP DNA FRAGMENT WITH CRO K56-[DGEVK], COMBINING WITH AN EQUAL VOLUME OF PRECIPITANT BUFFER (140MM AMMONIUM ACETATE, 31% PEG 3350, 100MM ACETATE BUFFER PH 4.6), THEN EQUILIBRATING AGAINST THE PRECIPITANT BUFFER VIA THE HANGING-DROP METHOD AT ROOM TEMPERATURE., vapor diffusion - hanging drop, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3 48.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.72 α = 90 b = 60.66 β = 112.7 c = 45.72 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 295 AREA DETECTOR SDMS COLLIMATOR 1993-02-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 3 20 99.7 0.053 5.3 2452 51.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1ORC 3 20 13041 13041 2452 99.7 0.2151
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 t_dihedral_angle_d 19.55 t_angle_deg 2.656 t_it 2.548 t_nbd 0.018 t_bond_d 0.015 t_gen_planes 0.013 t_trig_c_planes 0.006 t_incorr_chiral_ct t_pseud_angle
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 501 Nucleic Acid Atoms 322 Solvent Atoms 3 Heterogen Atoms
Software Software Software Name Purpose EDPDB model building TNT refinement SDMS data reduction SDMS data scaling