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Glu28Gln mutant of E. coli Methylenetetrahydrofolate Reductase (oxidized) complex with Methyltetrahydrofolate
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 7.4 295 PEG 4000, LITHIUM SULFATE, SODIUM CACODYLATE, ETHANOL, MESO-ERYTHRITOL, pH 7.4, 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 = 103.59 α = 90 b = 127.81 β = 121.88 c = 97.95 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 CCD MARMOSAIC 225 mm CCD 2003-03-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B 0.97623 APS 5ID-B
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 1.85 17.27 99.5 0.06 14.41 3.6 91950 91462 20.1
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) 1.85 1.91 99.7 0.347 3.8 3.65
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 1.85 17.27 91462 91462 4572 99.5 0.213 0.213 0.2126 0.231 0.2318 RANDOM 28.3
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] 4.86 0.11 -4.86
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.1 c_scangle_it 3.08 c_scbond_it 2.06 c_mcangle_it 1.97 c_angle_deg 1.4 c_mcbond_it 1.31 c_improper_angle_d 0.84 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.1 c_scangle_it 3.08 c_scbond_it 2.06 c_mcangle_it 1.97 c_angle_deg 1.4 c_mcbond_it 1.31 c_improper_angle_d 0.84 c_bond_d 0.007 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 6453 Nucleic Acid Atoms Solvent Atoms 509 Heterogen Atoms 268
Software Software Software Name Purpose CNS refinement MAR345 data collection XDS data scaling EPMR phasing