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CRYSTAL STRUCTURES OF ESCHERICHIA COLI DIHYDROFOLATE REDUCTASE. THE NADP+ HOLOENZYME AND THE FOLATE(DOT)NADP+ TERNARY COMPLEX. SUBSTRATE BINDING AND A MODEL FOR THE TRANSITION STATE
Crystallization Crystal Properties Matthews coefficient Solvent content 3.27 62.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 62.207 α = 90 b = 62.207 β = 90 c = 105.525 γ = 120
Symmetry Space Group P 32 2 1
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 2.5 0.245
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_staggered_tor 23.6 p_orthonormal_tor 18.2 p_planar_tor 4.4 p_scangle_it 3.966 p_mcangle_it 3.847 p_scbond_it 2.649 p_mcbond_it 2.595 p_xhyhbond_nbd 0.273 p_multtor_nbd 0.266 p_chiral_restr 0.232
RMS Deviations Key Refinement Restraint Deviation p_staggered_tor 23.6 p_orthonormal_tor 18.2 p_planar_tor 4.4 p_scangle_it 3.966 p_mcangle_it 3.847 p_scbond_it 2.649 p_mcbond_it 2.595 p_xhyhbond_nbd 0.273 p_multtor_nbd 0.266 p_chiral_restr 0.232 p_singtor_nbd 0.217 p_planar_d 0.039 p_angle_d 0.034 p_bond_d 0.022 p_plane_restr 0.022 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 1229 Nucleic Acid Atoms Solvent Atoms 55 Heterogen Atoms 80
Software Software Software Name Purpose PROLSQ refinement