1DQ3

CRYSTAL STRUCTURE OF AN ARCHAEAL INTEIN-ENCODED HOMING ENDONUCLEASE PI-PFUI


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRODIALYSIS6.5293PEG4000, bis tris, sodium chloride, dioxane, glycerol, pH 6.5, MICRODIALYSIS, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.7354.97

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.55α = 90
b = 85.28β = 112.94
c = 65.41γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293IMAGE PLATE1999-05-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-6APhoton FactoryBL-6A

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
12.13093.10.054923115219.6
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)
2.12.1884.90.2551.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT2.13031152157993.10.1920.1920.232RANDOM36.7
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]
-3.57-0.156.97-3.39
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.2
c_scangle_it6.04
c_scbond_it4.15
c_mcangle_it3.92
c_mcbond_it2.69
c_angle_deg1.1
c_improper_angle_d0.7
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3755
Nucleic Acid Atoms
Solvent Atoms332
Heterogen Atoms1

Software

Software
Software NamePurpose
SHARPphasing
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling