1TX0

Dihydropteroate Synthetase, With Bound Product Analogue Pteroic Acid, From Bacillus anthracis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP9291lithium sulfate, tris, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
358.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.547α = 90
b = 97.547β = 90
c = 263.158γ = 120
Symmetry
Space GroupP 62 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDmirrors2004-02-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

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
12.1581.71000.06618.383882938829-3
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)
12.152.2194.40.5774.24.238829

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1TWS2.1581.7-336872368721954940.232980.232980.230570.27963RANDOM37.459
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]
4.492.254.49-6.74
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.933
r_scangle_it4.242
r_scbond_it2.836
r_mcangle_it1.658
r_angle_refined_deg1.586
r_mcbond_it0.875
r_symmetry_vdw_refined0.265
r_nbd_refined0.226
r_symmetry_hbond_refined0.177
r_xyhbond_nbd_refined0.169
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg5.933
r_scangle_it4.242
r_scbond_it2.836
r_mcangle_it1.658
r_angle_refined_deg1.586
r_mcbond_it0.875
r_symmetry_vdw_refined0.265
r_nbd_refined0.226
r_symmetry_hbond_refined0.177
r_xyhbond_nbd_refined0.169
r_chiral_restr0.11
r_bond_refined_d0.018
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4078
Nucleic Acid Atoms
Solvent Atoms164
Heterogen Atoms96

Software

Software
Software NamePurpose
REFMACrefinement
MAR345data collection
CCP4data scaling
CNSphasing