Crystal structure of Plasmodium falciparum SIR2A (PF13_0152) in complex with AMP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 17 % PEG 3350, 0.1 M NaCitrate pH 5.7, 0.1 mM beta-OG, 2.6 mM AMP, 2.6 mM peptide(SGRGKacGGKacGLGKacGGAKacRHR) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.49 | 50.56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 106.564 | α = 90 |
b = 106.564 | β = 90 |
c = 44.968 | γ = 120 |
Symmetry | |
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Space Group | P 6 |
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 210 | 2009-05-01 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210 | 2009-05-01 | M | SINGLE WAVELENGTH | ||||||
1,2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE A1 | .978 | CHESS | A1 |
2 | SYNCHROTRON | CHESS BEAMLINE A1 | .978 | CHESS | A1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.65 | 50 | 99.8 | 0.094 | 0.078 | 8.9 | 7.6 | 10263 | 10243 | 81.3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1,2 | 2.65 | 2.7 | 100 | 0.936 | 0.914 | 2.05 | 6.6 | 410 |
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-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.65 | 34.88 | 8666 | 8584 | 406 | 99.05 | 0.209 | 0.209 | 0.206 | 0.2038 | 0.274 | 0.2685 | RANDOM | 33.138 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
0.13 | 0.07 | 0.13 | -0.2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.069 |
r_dihedral_angle_4_deg | 25.986 |
r_dihedral_angle_3_deg | 16.001 |
r_dihedral_angle_1_deg | 5.389 |
r_scangle_it | 1.304 |
r_angle_refined_deg | 1.103 |
r_angle_other_deg | 0.814 |
r_scbond_it | 0.798 |
r_mcangle_it | 0.538 |
r_mcbond_it | 0.285 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1888 |
Nucleic Acid Atoms | |
Solvent Atoms | 3 |
Heterogen Atoms | 34 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SHELX | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Adxv | data processing |
SHELXD | phasing |