3VN5

Crystal structure of Aquifex aeolicus RNase H3


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP42770.1M citrate buffer (pH 4.0), 0.2M sodium citrate, 20% w/v polyethylene glycol (PEG) 3350, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.4364.11

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.943α = 90
b = 48.943β = 90
c = 293.217γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBRUKER SMART 65002011-10-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44XU0.9SPring-8BL44XU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.98501000.1046.121.32983911
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.982.011000.28921.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2D0A1.9848.8728119150499.510.206030.204340.23844RANDOM25.683
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]
0.490.240.49-0.73
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.063
r_dihedral_angle_4_deg23.253
r_dihedral_angle_3_deg17.136
r_scangle_it8.259
r_dihedral_angle_1_deg6.694
r_scbond_it5.109
r_mcangle_it3.212
r_mcbond_it1.925
r_angle_refined_deg1.049
r_chiral_restr0.092
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.063
r_dihedral_angle_4_deg23.253
r_dihedral_angle_3_deg17.136
r_scangle_it8.259
r_dihedral_angle_1_deg6.694
r_scbond_it5.109
r_mcangle_it3.212
r_mcbond_it1.925
r_angle_refined_deg1.049
r_chiral_restr0.092
r_gen_planes_refined0.019
r_bond_refined_d0.009
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2063
Nucleic Acid Atoms
Solvent Atoms103
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
DMphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction