4COH

Crystal structure of Trypanosoma cruzi CYP51 bound to the sulfonamide derivative of the 4-aminopyridyl-based inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2WX2PDB ENTRY 2WX2

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
170.05 M AMMONIUM CITRATE, PH 7.0; 14% PEG 3350
Crystal Properties
Matthews coefficientSolvent content
2.4249.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.218α = 90
b = 96.392β = 90
c = 137.113γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMARRESEARCHMIRRORS2012-09-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.1ALS8.3.1

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
12.08137.3695.60.159.27.2608411.530.2
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)
12.082.19760.891.84.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 2WX22.08137.1157134302494.310.177510.174150.24295RANDOM25.071
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]
1.91-1.41-0.5
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.516
r_dihedral_angle_4_deg19.839
r_dihedral_angle_3_deg16.597
r_dihedral_angle_1_deg6.451
r_scangle_it5.224
r_scbond_it3.439
r_angle_refined_deg2.012
r_mcangle_it1.923
r_mcbond_it1.077
r_chiral_restr0.13
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.516
r_dihedral_angle_4_deg19.839
r_dihedral_angle_3_deg16.597
r_dihedral_angle_1_deg6.451
r_scangle_it5.224
r_scbond_it3.439
r_angle_refined_deg2.012
r_mcangle_it1.923
r_mcbond_it1.077
r_chiral_restr0.13
r_bond_refined_d0.022
r_gen_planes_refined0.011
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7035
Nucleic Acid Atoms
Solvent Atoms676
Heterogen Atoms174

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing