3D1V

Crystal structure of human PNP complexed with 2-mercapto(3H) quinazolinone


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.30.05M CITRATE BUFFER, 19%AMMONIUM SULPHATE, PH 5.30, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
4.9275

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 138.666α = 90
b = 138.666β = 90
c = 159.379γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray104CCDMARRESEARCH2005-04-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE D03B-MX1LNLSD03B-MX1

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
12.756.53190.10.0996.65.5167632
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)
2.72.8493.40.3751.95.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 1M732.742.181537681698.760.223940.221130.27745RANDOM44.179
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2251
Nucleic Acid Atoms
Solvent Atoms69
Heterogen Atoms27

Software

Software
Software NamePurpose
AMoREphasing
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling