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Crystal structure of Dipeptide Epimerase from Enterococcus faecalis V583 complexed with Mg and dipeptide L-Ser-L-Tyr
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3JVA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 290 1.4M Sodium Citrate, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290.0K
Crystal Properties Matthews coefficient Solvent content 2.71 54.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 163.663 α = 90 b = 163.663 β = 90 c = 318.051 γ = 120
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 4 2009-08-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 0.97915 NSLS X4A
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 2 25 99.9 214313 214313 25.7
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 (All) 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 3JVA 2 24.73 214313 214313 10752 99.9 0.247 0.245 0.245 0.2442 0.282 0.2793 RANDOM 41.1
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] 1.1 3.21 1.1 -2.2
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.6 c_scangle_it 2.83 c_scbond_it 1.94 c_mcangle_it 1.85 c_mcbond_it 1.23 c_angle_deg 1.2 c_improper_angle_d 0.71 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 21170 Nucleic Acid Atoms Solvent Atoms 485 Heterogen Atoms 208
Software Software Software Name Purpose ADSC data collection BALBES phasing CNS refinement DENZO data reduction SCALEPACK data scaling