6B67
Human PP2Calpha (PPM1A) complexed with cyclic peptide c(MpSIpYVA)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.3 | 293 | Protein conc: 20 mg/ml Protein buffer: 10 mM MES, pH 7.0, 150 mM NaCl, 2 mM TCEP and 2 mM MgCl2 Protein and cyclic peptide was dialyzed against above buffer and mixed at the 1:2 molar ratio Precipitant: 0.1M HEPES (pH 7.3), 0.1M calcium acetate and 40% PEG400 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.55 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 159.03 | α = 90 |
b = 89.57 | β = 113.86 |
c = 70.05 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 95 | CCD | RIGAKU SATURN A200 | 2016-07-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.2 | 30 | 95.7 | 0.03 | 25.09 | 2.87 | 43867 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.2 | 2.26 | 0.093 | 4.63 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1A6Q | 2.2 | 30 | 42734 | 1096 | 95.9 | 0.169 | 0.169 | 0.229 | RANDOM |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7083 |
Nucleic Acid Atoms | |
Solvent Atoms | 633 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
XDS | data reduction |
XDS | data scaling |
AMoRE | phasing |