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Crystal structure of a dihydrofolate reductase folA from Stenotrophomonas maltophilia bound to NADP and p218
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7RZO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 287 StmaA.01062.a.B1.PW38724 at 19 mg/mL with 4 mM NADP and 4 mM p218 against MCSG1 screen condition B5, 0.2 M MgCl2, 0.1 M Tris pH 8.5, 25 % PEG 3350 supplemented with 20% ethylene glycol as cryo-protectant, crystal tracking ID 323617b5, unique puck ID wrq8-4
Crystal Properties Matthews coefficient Solvent content 2.95 58.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 101.99 α = 90 b = 101.99 β = 90 c = 87.31 γ = 90
Symmetry Space Group I 41 2 2
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 RAYONIX MX300HE 2021-12-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-F 0.97872 APS 21-ID-F
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) 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 1.55 36.06 100 0.054 0.057 0.999 24.06 10.543 33598 20.97
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.55 1.59 100 0.602 0.633 0.914 3.8 10.257
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 7rzo 1.55 36.06 1.34 33597 1988 99.98 0.1655 0.1645 0.1646 0.1811 0.1811 26.3933
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1279 Nucleic Acid Atoms Solvent Atoms 203 Heterogen Atoms 84
Software Software Software Name Purpose XDS data reduction XSCALE data scaling MOLREP phasing PHENIX refinement PDB_EXTRACT data extraction