2NTK

Crystal structure of PurO/IMP 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
2.7655.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 85.975α = 90
b = 85.975β = 90
c = 124.442γ = 120
Symmetry
Space GroupP 32

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152005-03-25MSINGLE 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
12.035097.90.04326.992.7665296528021
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)
2.032.199.40.2156.272.66678

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 1KUU2.0327.456650759591601789.60.2180.2180.245RANDOM44.6
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]
8.326.918.32-16.64
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24
c_scangle_it6.03
c_scbond_it4.83
c_mcangle_it3.87
c_mcbond_it3.12
c_angle_deg1.3
c_improper_angle_d0.78
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6179
Nucleic Acid Atoms
Solvent Atoms200
Heterogen Atoms92

Software

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