3EF1
The Structure of Fcp1, an essential RNA polymerase II CTD phosphatase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 291 | Fcp1-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 | |
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Matthews coefficient | Solvent content |
2.67 | 53.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.663 | α = 90 |
b = 88.442 | β = 90 |
c = 113.17 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2006-07-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.979 | APS | 24-ID-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.15 | 50 | 97.4 | 0.059 | 19.043 | 4.5 | 29320 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.15 | 2.23 | 94.7 | 0.34 | 1.7 | 3.2 | 2784 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.15 | 30 | 30043 | 28751 | 1450 | 95.7 | 0.211 | 0.234 | RANDOM | 50.293 |
Temperature Factor Modeling | ||||||
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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 | -6.17 | 2.11 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.2 |
c_scangle_it | 3.77 |
c_mcangle_it | 2.94 |
c_scbond_it | 2.42 |
c_mcbond_it | 1.68 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.75 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2979 |
Nucleic Acid Atoms | |
Solvent Atoms | 163 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |
SHARP | phasing |