1KA0

The PAPase Hal2p complexed with a sodium ion and the reaction product AMP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529330% PEG5000 MME, 0.1 M sodium acetate, 5 mM beta-mercaptoethanol, 0.1 M MES. (Crystals were soaked in mother liquor containing 0.5 M sodium chloride for 1 hour.) , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0941.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.6α = 90
b = 45.11β = 111.36
c = 71.6γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV1999-08-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

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
11.82487.20.0720.73.2264752647528
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)
1.81.84687.50.373.63.31829

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1QGX1.8242647526475159187.210.149510.149510.14660.19539RANDOM15.345
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]
-0.140.280.41-0.07
RMS Deviations
KeyRefinement Restraint Deviation
p_scangle_it5.574
p_scbond_it3.783
p_mcangle_it2.557
p_mcbond_it1.738
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2729
Nucleic Acid Atoms
Solvent Atoms274
Heterogen Atoms24

Software

Software
Software NamePurpose
REFMACrefinement
X-GENdata reduction
CCP4data scaling