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Crystal structure of the N-terminal domain (domain 1) of RctB
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5UBD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 277 Crystals of RctB domain 1 (1-124) were prepared using the sitting drop vapor diffusion method by mixing 0.1, or 0.2, or 0.4 uL of the protein solution (22.4 mg/ml RctB-2-124 in 20 mM Tris pH 7.4, 50 mM sodium chloride, 5% glycerol, 5 mM 2-mercaptoethanol) and 0.2 uL of reservoir solution (0.24 M Sodium malonate pH 7.0, 20% w/v PEG 3350).
Crystal Properties Matthews coefficient Solvent content 2.5 50.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.803 α = 90 b = 52.127 β = 101.61 c = 63.414 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 80 CCD ADSC QUANTUM 315 2014-07-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 0.979 NSLS X25
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 50 84.3 0.057 17 1.6 16800
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2 2.03 64.6 0.878 16.6 1.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 FREE R-VALUE 5UBD 2 33.326 15588 1561 78.07 0.2313 0.2274 0.2274 0.2656 0.2678
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 11.849 f_angle_d 0.757 f_chiral_restr 0.045 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1846 Nucleic Acid Atoms Solvent Atoms 64 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing PHENIX model building