3EF1

The Structure of Fcp1, an essential RNA polymerase II CTD phosphatase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.6291Fcp1-BeF3-Mg was obtained by incubating 200 M Fcp1(140-580) with 225 M CTD peptide (SPSYSPTSPS), 300 M BeCl2, 5 mM NaF and 5 mM MgCl2 on ice for 1 h then crystallized by sitting drop vapor diffusion against 22% PEG-4000, 100 mM Na-citrate (pH 5.6), 100 mM ammonium acetate, 5% hexane 1,6-diol, 5% aminocaproic acid, 5% propane-1,3-diol, 5 mM DTT., VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.6753.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.663α = 90
b = 88.442β = 90
c = 113.17γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-07-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.979APS24-ID-C

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
12.155097.40.05919.0434.529320
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)
12.152.2394.70.341.73.22784

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT2.15303004328751145095.70.2110.234RANDOM50.293
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]
4.06-6.172.11
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.2
c_scangle_it3.77
c_mcangle_it2.94
c_scbond_it2.42
c_mcbond_it1.68
c_angle_deg1.2
c_improper_angle_d0.75
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2979
Nucleic Acid Atoms
Solvent Atoms163
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
SHARPphasing