3QO3

Crystal structure of Escherichia coli Hfq, in complex with ATP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52950.1M Hepes, 10% (W/V) PEG 8000, 8% (V/V) Ethylene glycol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.3848.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.3α = 90
b = 40.62β = 101.81
c = 100.81γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102009-07-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.9334ESRFID14-1

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
12.1598.6795.10.11117.965.61229132178334.05
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)
12.152.2188.90.4323.75.621484

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1HK92.1519.892291321689116799.810.22940.22940.22790.25727RANDOM30.687
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]
0.030.041.55-1.56
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.867
r_dihedral_angle_4_deg20.511
r_dihedral_angle_3_deg13.583
r_dihedral_angle_1_deg8.659
r_scangle_it4.316
r_scbond_it3.085
r_mcangle_it1.969
r_angle_refined_deg1.219
r_mcbond_it1.154
r_chiral_restr0.073
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.867
r_dihedral_angle_4_deg20.511
r_dihedral_angle_3_deg13.583
r_dihedral_angle_1_deg8.659
r_scangle_it4.316
r_scbond_it3.085
r_mcangle_it1.969
r_angle_refined_deg1.219
r_mcbond_it1.154
r_chiral_restr0.073
r_bond_refined_d0.008
r_gen_planes_refined0.005
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 Atoms2934
Nucleic Acid Atoms
Solvent Atoms244
Heterogen Atoms124

Software

Software
Software NamePurpose
DNAdata collection
MOLREPphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling