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Crystal structure of the Escherichia coli alkanesulfonate FMN reductase SsuE in FMN-bound form
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4PTY apo SsuE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 298 SsuE was concentrated to ~10 mg/mL in 10 mM HEPES, pH 7.0. Crystals were grown at room temperature using hanging drops made with the 4 l of protein stock mixed with 2 l of a reservoir containing 7.5% (w/v) polyethylene glycol (PEG) 3350 and 0.1 M sodium citrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.76 55.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 186.746 α = 90 b = 186.746 β = 90 c = 93.371 γ = 120
Symmetry Space Group P 61 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 ADSC QUANTUM 315r 2009-12-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.1 0.9774 ALS 5.0.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.9 50 100 75282 75282 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.93 100 0.6 11.7
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 apo SsuE 1.9007 46.687 1.35 75282 74934 3848 99.4 0.175 0.1732 0.1811 0.2082 0.2157 RANDOM (same as apo and FMNH2-bound SsuE)
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 f_dihedral_angle_d 16.288 f_angle_d 1.386 f_chiral_restr 0.077 f_bond_d 0.012 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5456 Nucleic Acid Atoms Solvent Atoms 380 Heterogen Atoms 270
Software Software Software Name Purpose ADSC data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling