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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 2.32 46.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 34.853 α = 90 b = 59 β = 90 c = 81.282 γ = 90
Symmetry Space Group P 21 21 21
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 2.4 0.192
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 24.7 p_orthonormal_tor 21.9 p_mcangle_it 5.455 p_planar_tor 5 p_scbond_it 4.893 p_mcbond_it 3.924 p_chiral_restr 0.288 p_multtor_nbd 0.26 p_xhyhbond_nbd 0.24 p_singtor_nbd 0.204
RMS Deviations Key Refinement Restraint Deviation p_staggered_tor 24.7 p_orthonormal_tor 21.9 p_mcangle_it 5.455 p_planar_tor 5 p_scbond_it 4.893 p_mcbond_it 3.924 p_chiral_restr 0.288 p_multtor_nbd 0.26 p_xhyhbond_nbd 0.24 p_singtor_nbd 0.204 p_planar_d 0.045 p_angle_d 0.035 p_bond_d 0.02 p_plane_restr 0.02 p_angle_deg p_hb_or_metal_coord p_scangle_it p_xyhbond_nbd p_transverse_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1222 Nucleic Acid Atoms Solvent Atoms 72 Heterogen Atoms 37
Software Software Software Name Purpose PROLSQ refinement