3FS6

Correlations of Inhibitor Kinetics for Pneumocystis jirovecii and Human Dihydrofolate Reductase with Structural Data for Human Active Site Mutant Enzyme Complexes


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1U72 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.9287100 mM K2PO4, pH 6.9, 60% sat. AS with 3% ethanol, VAPOR DIFFUSION, HANGING DROP, temperature 287K
Crystal Properties
Matthews coefficientSolvent content
2.4950.56

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.098α = 90
b = 84.098β = 90
c = 78.054γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200IMAGE PLATEMAR scanner 300 mm platemirrors2008-12-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-21.000SSRLBL9-2

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
11.2353.21000.070.0220.811.159797567662230
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.231.331000.40.3242.510.7939

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUT1u721.2334.4225979756758302299.980.245720.244940.26019RANDOM16.036
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
r_dihedral_angle_2_deg33.437
r_dihedral_angle_3_deg14.932
r_dihedral_angle_4_deg10.923
r_dihedral_angle_1_deg5.759
r_scangle_it2.724
r_scbond_it1.954
r_angle_refined_deg1.577
r_mcangle_it1.307
r_mcbond_it0.861
r_nbtor_refined0.309
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.437
r_dihedral_angle_3_deg14.932
r_dihedral_angle_4_deg10.923
r_dihedral_angle_1_deg5.759
r_scangle_it2.724
r_scbond_it1.954
r_angle_refined_deg1.577
r_mcangle_it1.307
r_mcbond_it0.861
r_nbtor_refined0.309
r_nbd_refined0.198
r_symmetry_vdw_refined0.176
r_chiral_restr0.126
r_xyhbond_nbd_refined0.126
r_symmetry_hbond_refined0.086
r_bond_refined_d0.009
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1502
Nucleic Acid Atoms
Solvent Atoms67
Heterogen Atoms73

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling