1G17

CRYSTAL STRUCTURE OF SEC4-GUANOSINE-5'-(BETA,GAMMA)-IMIDOTRIPHOSPHATE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1vapor diffusion, hanging drop, with microseeding7.7294Polyethylene glycol 4000, 25% MgCl2, 200 mM Ethylene glycol, 30% Sodium HEPES, 100 mM, pH 7.7, vapor diffusion, hanging drop, with microseeding, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.3247.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.504α = 90
b = 84.504β = 90
c = 86.469γ = 120
Symmetry
Space GroupP 65

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 41999-02-13MSINGLE WAVELENGTH
21100IMAGE PLATERIGAKU RAXIS IV1999-03-12
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.10.9802,0.9800,0.9537ALS5.0.1
2SYNCHROTRONNSLS BEAMLINE X4ANSLSX4A

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
123899.70.09113.23.72235672349615.9
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)
22.0799.40.6243.482322

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT233.74664943560420593.80.2640.2640.2640.292RANDOM34.1
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]
-3.760.87-3.767.52
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.6
c_scangle_it2.65
c_mcangle_it2.23
c_scbond_it1.77
c_mcbond_it1.35
c_angle_deg1.2
c_improper_angle_d0.75
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2662
Nucleic Acid Atoms
Solvent Atoms116
Heterogen Atoms66

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing