2FOK

STRUCTURE OF RESTRICTION ENDONUCLEASE FOKI


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.5PROTEIN CRYSTALLIZED IN 22% PEG 8000, 0.4 M AMMONIUM SULFATE, 0.1 M SODIUM CACODYLATE, PH 6.5.
Crystal Properties
Matthews coefficientSolvent content
2.753.69

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.01α = 90
b = 137.17β = 90
c = 188.87γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray130IMAGE PLATEFUJIMIRRORS1997-01-20M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE A1CHESSA1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.310095.90.0820.08221.313.461150-321.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.32.3881.90.3640.3644.44.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 1FOK2.36257475173296.50.2110.2110.306RANDOM29.6
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]
0.47-0.3-0.17
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d25.6
x_scangle_it4.61
x_scbond_it3.54
x_mcangle_it2.96
x_mcbond_it2.12
x_angle_deg1.2
x_improper_angle_d0.63
x_bond_d0.007
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d25.6
x_scangle_it4.61
x_scbond_it3.54
x_mcangle_it2.96
x_mcbond_it2.12
x_angle_deg1.2
x_improper_angle_d0.63
x_bond_d0.007
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8911
Nucleic Acid Atoms
Solvent Atoms516
Heterogen Atoms

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing