2NTL

Crystal structure of PurO/AICAR from Methanothermobacter thermoautotrophicus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.6295.1525-30% MPD, 0.2M ammonium acetate, 0.1M sodium citrate buffer, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295.15K
Crystal Properties
Matthews coefficientSolvent content
2.7555.34

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 85.913α = 90
b = 85.913β = 90
c = 124.29γ = 120
Symmetry
Space GroupP 32

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152005-04-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 8-BMAPS8-BM

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
12.65098.50.0721.272.9315333127135.7
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)
2.62.799.60.4053.832.83192

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 REPLACEMENTTHROUGHOUTPDB ENTRY 1KUU2.635.643154028765286891.20.2080.2080.243RANDOM61.4
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]
12.9512.1512.95-25.89
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.9
c_scangle_it5.88
c_scbond_it4.39
c_mcangle_it4.14
c_mcbond_it2.78
c_angle_deg1.4
c_improper_angle_d0.83
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6179
Nucleic Acid Atoms
Solvent Atoms46
Heterogen Atoms88

Software

Software
Software NamePurpose
CNSrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing