4NS3

Crystal structure of the Delta-pyrroline-5-carboxylate dehydrogenase from Mycobacterium tuberculosis bound with NAD and cobalamin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.12910.1 M Bicine/Tris pH 8.1, 12% PEG 1000, 12% PEG 3350, 12% MPD, 0.03 M sodium nitrate, 0.03 M disodium hydrogen phosphate, 0.03 M ammonium sulphate, 0.2% w/v biotin, 0.2% w/v phospho(enol)pyruvic acid monosodium salt hydrate, 0.2% w/v D-(+)-Melezitose hydrate, 0.2% w/v cobalamin and 0.02M HEPES sodium pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.7855.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 164.855α = 90
b = 164.855β = 90
c = 260.242γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77CCDADSC QUANTUM 315r2012-03-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX20.953691Australian SynchrotronMX2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.3820.0599.4164364

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT2.3820.0491.34163475821199.720.15910.15660.205134.398
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]
-0.25-0.12-0.250.81
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.604
f_angle_d1.343
f_chiral_restr0.115
f_bond_d0.01
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms24843
Nucleic Acid Atoms
Solvent Atoms2631
Heterogen Atoms418

Software

Software
Software NamePurpose
PHENIXrefinement
MOLREPphasing
REFMACrefinement
XDSdata reduction
SCALAdata scaling
Blu-Icedata collection