1E7W

One active site, two modes of reduction correlate the mechanism of leishmania pteridine reductase with pterin metabolism and antifolate drug resistance in trpanosomes


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.4pH 5.40
Crystal Properties
Matthews coefficientSolvent content
2.448.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.312α = 90
b = 80.8β = 90
c = 90.747γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100 MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.60.87, 0.886, 0.97950, 0.97960SRSPX9.6

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
11.753098.20.4524.65.75947525.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT1.753056168301698.20.1960.244RANDOM32.5
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
p_transverse_tor27.615
p_staggered_tor14.776
p_scangle_it4.375
p_mcangle_it3.564
p_scbond_it3.229
p_mcbond_it2.799
p_planar_tor2.629
p_multtor_nbd0.28
p_chiral_restr0.222
p_singtor_nbd0.182
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor27.615
p_staggered_tor14.776
p_scangle_it4.375
p_mcangle_it3.564
p_scbond_it3.229
p_mcbond_it2.799
p_planar_tor2.629
p_multtor_nbd0.28
p_chiral_restr0.222
p_singtor_nbd0.182
p_xyhbond_nbd0.144
p_planar_d0.041
p_angle_d0.032
p_bond_d0.015
p_plane_restr0.003
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3917
Nucleic Acid Atoms
Solvent Atoms476
Heterogen Atoms174

Software

Software
Software NamePurpose
REFMACrefinement