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Escherichia coli Methylenetetrahydrofolate Reductase (reduced) complexed with NADH, pH 7.25
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1B5T PDB entry 1B5T
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.25 295 PEG 4000, LITHIUM SULFATE, SODIUM CACODYLATE, ETHANOL, MESO-ERYTHRITOL, pH 7.25, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K
Crystal Properties Matthews coefficient Solvent content 2.69 54.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 103.613 α = 90 b = 127.735 β = 121.73 c = 97.831 γ = 90
Symmetry Space Group C 1 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 100 IMAGE PLATE RIGAKU 2003-09-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 1.95 19.9 97.9 0.038 19.4 3 78597 76927 21
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) 1 1.95 2.02 96.4 0.312 3.75
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1B5T 1.95 19.9 78597 76927 3876 97.9 0.219 0.219 0.2176 0.246 0.244 RANDOM 33.8
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] 1.31 -2.75 0.84 -2.15
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.3 c_scangle_it 2.39 c_mcangle_it 1.63 c_scbond_it 1.58 c_angle_deg 1.4 c_mcbond_it 1.02 c_improper_angle_d 0.85 c_bond_d 0.008 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.3 c_scangle_it 2.39 c_mcangle_it 1.63 c_scbond_it 1.58 c_angle_deg 1.4 c_mcbond_it 1.02 c_improper_angle_d 0.85 c_bond_d 0.008 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6316 Nucleic Acid Atoms Solvent Atoms 326 Heterogen Atoms 311
Software Software Software Name Purpose CNS refinement SCALEPACK data scaling EPMR phasing