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CRYSTAL STRUCTURES OF ESCHERICHIA COLI AND LACTOBACILLUS CASEI DIHYDROFOLATE REDUCTASE REFINED AT 1.7 ANGSTROMS RESOLUTION. I. GENERAL FEATURES AND BINDING OF METHOTREXATE
Crystallization Crystal Properties Matthews coefficient Solvent content 2.56 51.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.22 α = 90 b = 93.22 β = 90 c = 73.56 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 (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 1.7 0.155
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 o_bond_d 0.07 o_bond_d_na o_bond_d_prot o_angle_d o_angle_d_na o_angle_d_prot o_angle_deg o_angle_deg_na o_angle_deg_prot o_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation o_bond_d 0.07 o_bond_d_na o_bond_d_prot o_angle_d o_angle_d_na o_angle_d_prot o_angle_deg o_angle_deg_na o_angle_deg_prot o_dihedral_angle_d o_dihedral_angle_d_na o_dihedral_angle_d_prot o_improper_angle_d o_improper_angle_d_na o_improper_angle_d_prot o_mcbond_it o_mcangle_it o_scbond_it o_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2508 Nucleic Acid Atoms Solvent Atoms 428 Heterogen Atoms 69