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Crystal structure of the homospermidine synthase hss from Legionella pneumophila in complex with NAD, Northeast Structural Genomics Target LgR54
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 Protein solution: 20 mM Tris-HCl pH 7.5, 100 mM NaCl, 5 mM DTT. Reservoir solution: 100 mM HEPES pH 7.5, 22% PEG MME 550, 50 mM Magnesium chloride, 5 mM NAD(+), VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.77 55.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95.848 α = 90 b = 146.902 β = 90 c = 85.685 γ = 90
Symmetry Space Group C 2 2 21
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 210 mirrors 2007-03-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4C 0.97950 NSLS X4C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.5 43.61 96.5 0.075 0.069 26.42 7.2 40444 40444 20.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.6 87.2 0.306 0.32 5.59 4.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 SAD THROUGHOUT 2.5 43.61 2 40444 37042 3666 91.6 0.202 0.202 0.2181 0.261 0.275 RANDOM 34.7
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] 1.65 3.45 -5.1
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.7 c_angle_deg 1.2 c_improper_angle_d 0.9 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
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.7 c_angle_deg 1.2 c_improper_angle_d 0.9 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3628 Nucleic Acid Atoms Solvent Atoms 179 Heterogen Atoms 49
Software Software Software Name Purpose CNS refinement ADSC data collection HKL-2000 data reduction HKL-2000 data scaling SnB phasing SOLVE phasing RESOLVE phasing