3K7U

Structure of essential protein from Trypanosoma brucei


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.529325% PEG2000, 0.1 M Bis-tris, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1542.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 123.362α = 90
b = 50.359β = 108.97
c = 44.15γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77CCDMARMOSAIC 325 mm CCD2009-06-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL12-20.9795SSRLBL12-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.15096.40.04530.63.81522940.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.992.0676.20.5043.13.815229

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 3K802.129.69141541415475298.620.205380.202190.26459RANDOM25.722
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]
0.06-0.070.18-0.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.048
r_dihedral_angle_4_deg18.746
r_dihedral_angle_3_deg16.406
r_dihedral_angle_1_deg6.892
r_scangle_it4.152
r_scbond_it2.729
r_mcangle_it1.965
r_angle_refined_deg1.842
r_mcbond_it1.107
r_angle_other_deg1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.048
r_dihedral_angle_4_deg18.746
r_dihedral_angle_3_deg16.406
r_dihedral_angle_1_deg6.892
r_scangle_it4.152
r_scbond_it2.729
r_mcangle_it1.965
r_angle_refined_deg1.842
r_mcbond_it1.107
r_angle_other_deg1
r_mcbond_other0.279
r_chiral_restr0.12
r_bond_refined_d0.022
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1668
Nucleic Acid Atoms
Solvent Atoms70
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-2000data collection
PHASESphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling