5J8N

Exonuclease III homologue Mm3148 from Methanosarcina mazei


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.529320 % (w/v) PEG 8000, 20 % (w/v) PEG 400, 100 mM Tris/HCl pH 8.5, 100 mM MgCl2 mixed 1:1 with 10 mg/ml protein dissolved in 300 mM NaCl, 10 mM KHEPES pH 7.6, 2 mM DTT and addition of a seed stock solution (1/10 volume)
Crystal Properties
Matthews coefficientSolvent content
2.1542.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.726α = 90
b = 64.564β = 90
c = 84.89γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2007-05-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X110.81500EMBL/DESY, HAMBURGX11

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
11.441599.90.05213.36.34724214.63
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)
11.441.491000.2746.3

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3FZI1.4414.8311.3447150239899.920.1480.14680.171321.2763
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 Atoms2102
Nucleic Acid Atoms
Solvent Atoms317
Heterogen Atoms14

Software

Software
Software NamePurpose
PHENIXrefinement
SCALEPACKdata scaling
MOLREPphasing
PDB_EXTRACTdata extraction