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CRYSTAL STRUCTURE OF UNLIGANDED ESCHERICHIA COLI DIHYDROFOLATE REDUCTASE. LIGAND-INDUCED CONFORMATIONAL CHANGES AND COOPERATIVITY IN BINDING
Crystallization Crystal Properties Matthews coefficient Solvent content 2.55 51.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 92.79 α = 90 b = 92.79 β = 90 c = 74.06 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 1.9 5 26188 0.153
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 p_orthonormal_tor 18.7 p_staggered_tor 17.4 p_planar_tor 5.8 p_scangle_it 5.025 p_mcangle_it 3.434 p_scbond_it 3.122 p_mcbond_it 2.286 p_multtor_nbd 0.224 p_chiral_restr 0.21 p_xhyhbond_nbd 0.206
RMS Deviations Key Refinement Restraint Deviation p_orthonormal_tor 18.7 p_staggered_tor 17.4 p_planar_tor 5.8 p_scangle_it 5.025 p_mcangle_it 3.434 p_scbond_it 3.122 p_mcbond_it 2.286 p_multtor_nbd 0.224 p_chiral_restr 0.21 p_xhyhbond_nbd 0.206 p_singtor_nbd 0.197 p_planar_d 0.04 p_angle_d 0.032 p_bond_d 0.013 p_plane_restr 0.012 p_angle_deg p_hb_or_metal_coord p_xyhbond_nbd p_transverse_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2510 Nucleic Acid Atoms Solvent Atoms 426 Heterogen Atoms 69
Software Software Software Name Purpose PROLSQ refinement