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DIHYDROFOLATE REDUCTASE COMPLEXED WITH FOLATE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RA2 PDB ENTRY 1RA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8 pH 8.0
Crystal Properties Matthews coefficient Solvent content 2.29 46.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.384 α = 90 b = 60.911 β = 90 c = 121.971 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 AREA DETECTOR XUONG-HAMLIN MULTIWIRE 1995-04-20 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.6 100 88 0.093 8.1 3.7 9448
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.6 2.8 77 0.242 1.9 2.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1RA2 2.6 20 9488 9488 88 0.178
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 t_dihedral_angle_d 25 t_it 6.1 t_angle_deg 3 t_bond_d 0.02 t_nbd 0.019 t_trig_c_planes 0.016 t_gen_planes 0.006 t_incorr_chiral_ct t_pseud_angle
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2536 Nucleic Acid Atoms Solvent Atoms 18 Heterogen Atoms 64
Software Software Software Name Purpose MERLOT phasing TNT refinement UCSD data reduction UCSD data scaling