1GO3

Structure of an archeal homolog of the eukaryotic RNA polymerase II RPB4/RPB7 complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6100 MM TRIS/ HCL 1.3-1.4 M AMMONIUM DIHYDROGEN MONOPHOSPHATE, pH 4.60
Crystal Properties
Matthews coefficientSolvent content
2.955

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.391α = 90
b = 92.391β = 90
c = 91.109γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCD2001-02-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

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
11.7527.899.80.0924.13.676814315.4
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)
11.751.8599.80.23433

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRTHROUGHOUT1.7527.876811389999.60.2170.2170.238RANDOM20.9
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]
-2.07-2.074.15
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.8
c_angle_deg1.3
c_improper_angle_d0.77
c_bond_d0.006
c_dihedral_angle_d_prot
c_angle_d_na
c_angle_d
c_angle_deg_na
c_angle_deg_prot
c_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.8
c_angle_deg1.3
c_improper_angle_d0.77
c_bond_d0.006
c_dihedral_angle_d_prot
c_angle_d_na
c_angle_d
c_angle_deg_na
c_angle_deg_prot
c_bond_d_na
c_dihedral_angle_d_na
c_angle_d_prot
c_bond_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4367
Nucleic Acid Atoms
Solvent Atoms328
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
CCP4data scaling
MLPHAREphasing