1ZZN

Crystal structure of a group I intron/two exon complex that includes all catalytic metal ion ligands.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.8298MPD, sodium cacodylate, magnesium acetate, potassium chloride, cobalt heximine, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
4.669.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 108.466α = 90
b = 108.466β = 90
c = 246.4γ = 90
Symmetry
Space GroupP 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152004-06-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.1NSLSX25

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
13.375095.90.07218.25.5206582065822
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
3.373.4971.11.15.6

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB entry 1U6B3.3733.04182241822480184.80.2690.2690.307RANDOM100.7
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]
5.885.88-11.76
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d15.5
c_scangle_it6.18
c_mcangle_it4.61
c_scbond_it4
c_mcbond_it2.46
c_improper_angle_d1.71
c_angle_deg1.7
c_bond_d0.011
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d15.5
c_scangle_it6.18
c_mcangle_it4.61
c_scbond_it4
c_mcbond_it2.46
c_improper_angle_d1.71
c_angle_deg1.7
c_bond_d0.011
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms775
Nucleic Acid Atoms4768
Solvent Atoms54
Heterogen Atoms6

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
CNSphasing