4PN7

Crystal Structure of the TFIIH p34 N-terminal Domain


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8293Crystals grew from protein solution in 20 mM Tris-HCl pH 8.0, 150 mM KCl and 1 mM TCEP over a reservoir containing the protein buffer including 50 - 500 mM NaCl
Crystal Properties
Matthews coefficientSolvent content
3.0759.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 257.11α = 90
b = 257.11β = 90
c = 257.11γ = 90
Symmetry
Space GroupF 41 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2012-12-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.91985ESRFID29

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)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
12.801148.4431000.1530.1550.01920.970.5185121851294.32
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.82.951002.5982.5980.2970.376.82625

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTFREE R-VALUE2.80177.5221.351848695699.980.21970.21870.238Free R value set from data that resulted in the model used for MR.96.5
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.028
f_angle_d0.783
f_chiral_restr0.03
f_bond_d0.004
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1573
Nucleic Acid Atoms
Solvent Atoms5
Heterogen Atoms

Software

Software
Software NamePurpose
iMOSFLMdata reduction
SCALAdata scaling
PDB_EXTRACTdata extraction
Cootmodel building
PHENIXrefinement
PHASERphasing