6OEZ

Crystal structure of Trypanothione Reductase from Trypanosoma brucei in complex with inhibitor (+)-N-(Cyclobutylmethyl)-3-{5-[1-(pyrrolidin-1-yl)cyclohexyl]-2-(1-{[(2S)-pyrro-lidin-2-yl]methyl}-1H-indol-5-yl)-1,3-thiazol-4-yl}prop-2-yn-1-amine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4NEV 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52982 microL of protein were mixed with 2 microL of well solution (500 microL; 0.1 M HEPES, pH 7.5, 2.2 M (NH4)2SO4); crystal grew within 2weeks
Crystal Properties
Matthews coefficientSolvent content
3.6266.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 117.526α = 90
b = 117.526β = 90
c = 224.522γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER R 1M2018-10-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBERIGAKU MICROMAX-0031.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
12.529.1990.9939.9612.455114
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.590.745

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 REPLACEMENTFREE R-VALUE4NEV2.529.11.3354892272499.580.2180.21710.235
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.249
f_angle_d0.647
f_chiral_restr0.048
f_bond_d0.003
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7375
Nucleic Acid Atoms
Solvent Atoms204
Heterogen Atoms216

Software

Software
Software NamePurpose
PHENIXrefinement
CrysalisProdata reduction
Aimlessdata scaling
PHASERphasing