☰ Navigation Tabs
DIHYDROFOLATE REDUCTASE COMPLEXED WITH METHOTREXATE AND NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE (OXIDIZED FORM)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7DFR PDB ENTRY 7DFR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 pH 6.0
Crystal Properties Matthews coefficient Solvent content 3.31 62.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63 α = 90 b = 63 β = 90 c = 105.8 γ = 120
Symmetry Space Group P 32 2 1
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 1991-05-02 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 93 0.055 3 7357
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION DIFFERENCE FOURIER PDB ENTRY 7DFR 2.6 20 7357 93 0.216 0.199
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 26.7 t_it 6 t_angle_deg 3.2 t_nbd 0.04 t_trig_c_planes 0.024 t_bond_d 0.018 t_gen_planes 0.007 t_incorr_chiral_ct t_pseud_angle
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1268 Nucleic Acid Atoms Solvent Atoms 32 Heterogen Atoms 81
Software Software Software Name Purpose TNT refinement UCSD data reduction UCSD data scaling TNT phasing