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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 2.56 52.01
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 92.84 α = 90 b = 92.84 β = 90 c = 74.24 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 1.96 5 25191 0.149
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 19.8 p_staggered_tor 17.6 p_scangle_it 6.432 p_planar_tor 4.5 p_mcangle_it 4.374 p_scbond_it 4.177 p_mcbond_it 3.163 p_multtor_nbd 0.277 p_chiral_restr 0.276 p_xhyhbond_nbd 0.26
RMS Deviations Key Refinement Restraint Deviation p_orthonormal_tor 19.8 p_staggered_tor 17.6 p_scangle_it 6.432 p_planar_tor 4.5 p_mcangle_it 4.374 p_scbond_it 4.177 p_mcbond_it 3.163 p_multtor_nbd 0.277 p_chiral_restr 0.276 p_xhyhbond_nbd 0.26 p_singtor_nbd 0.175 p_planar_d 0.036 p_angle_d 0.025 p_bond_d 0.017 p_plane_restr 0.016 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 2504 Nucleic Acid Atoms Solvent Atoms 432 Heterogen Atoms 69
Software Software Software Name Purpose PROLSQ refinement