2YHT

Crystal structure of Hfq riboregulator from E. coli (P1 space group)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2Y90PDB ENTRY 2Y90

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.4293CRYSTALS WERE OBTAINED BY VAPOR DIFFUSION IN 2UL SITTING DROPS. THE RESERVOIR CONTAINED 30% PEG 3350, 0.1 M NA-CITRATE PH 5.4. CRYSTALLIZATIONS WERE CARRIED OUT AT 20 DEGREES CELSIUS.
Crystal Properties
Matthews coefficientSolvent content
1.830

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.2α = 82.6
b = 61.2β = 87.3
c = 53.1γ = 60
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-1ESRFID14-1

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
12.96297.40.08123.714455-328.19
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)
12.9382.60.146.5

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2Y902.930.5660.051407370096.050.18330.18090.228526.6
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]
-9.9152-0.9780.3209-9.25560.952818.9369
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.74
f_angle_d1.154
f_chiral_restr0.069
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6048
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing