2QLP

Bifunctional dCTP deaminase:dUTPase from Mycobacterium tuberculosis, apo form


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52771.9mg/ml enzyme in 50mM HEPES pH 6.8 Reservoir: 20% PEG 8K, 50mM MgCl2, 100mM HEPES pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.2144.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.8α = 90
b = 96.7β = 97.7
c = 78γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42007-02-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-30.931ESRFID14-3

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
12.472099.10.1936.813251232512-3-328.425
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)
12.47990.5512.29296

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 REPLACEMENTTHROUGHOUT2.4719.9325123251216261000.2320.2320.2280.295RANDOM19.419
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]
1.13-3-1.41-0.52
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.017
r_dihedral_angle_3_deg19.352
r_dihedral_angle_4_deg18.052
r_dihedral_angle_1_deg6.421
r_angle_refined_deg1.497
r_mcangle_it1.257
r_scangle_it1.127
r_mcbond_it0.734
r_scbond_it0.722
r_nbtor_refined0.328
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.017
r_dihedral_angle_3_deg19.352
r_dihedral_angle_4_deg18.052
r_dihedral_angle_1_deg6.421
r_angle_refined_deg1.497
r_mcangle_it1.257
r_scangle_it1.127
r_mcbond_it0.734
r_scbond_it0.722
r_nbtor_refined0.328
r_symmetry_vdw_refined0.285
r_nbd_refined0.261
r_xyhbond_nbd_refined0.221
r_chiral_restr0.113
r_symmetry_hbond_refined0.112
r_bond_refined_d0.011
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7362
Nucleic Acid Atoms
Solvent Atoms120
Heterogen Atoms73

Software

Software
Software NamePurpose
XSCALEdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MxCuBEdata collection
XDSdata reduction