4EYY

Crystal Structure of the IcmR-IcmQ complex from Legionella pneumophila


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1294Protein concentration 8 mg/ml. Selenomethionine-incorporated protein for SAD phasing. 1:1 ratio of protein to 24% PEG 1500, 0.1 M sodium citrate pH 5.9, 1 mM DTT and 1% ethylene glycol. Cryoprotected in mother liquor + 30% ethylene glycol and frozen in liquid nitrogen, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.948α = 90
b = 113.411β = 90
c = 49.465γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152010-02-01MSINGLE WAVELENGTH
22x-ray100CCDADSC QUANTUM 3152010-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X25NSLSX25
2SYNCHROTRONNSLS BEAMLINE X25NSLSX25

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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.419.754980.2080.05420.87.415596245.63
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)
12.42.4999.10.3415.47.4

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 DIFFRACTIONSAD2.419.751.3515596156099.10.2220.2170.262
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]
15.01173.2307-18.2423
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.992
f_angle_d1.721
f_chiral_restr0.162
f_bond_d0.017
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1920
Nucleic Acid Atoms
Solvent Atoms118
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
SHARPphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling