3TZZ
Crystal structure of a fragment containing the acyltransferase domain of Pks13 from Mycobacterium tuberculosis in the carboxypalmitoylated form at 2.5 A
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2HG4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 285 | 0.1M HEPES, 1.7M ammonium sulfate, 15% glycerol, 1.7% PEG-400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.44 | 64.24 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 106.331 | α = 90 |
b = 106.331 | β = 90 |
c = 261.688 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
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 4r | 2009-07-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-2 | 0.9330 | ESRF | ID14-2 |
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 | 2.49 | 49.4 | 92.8 | 0.072 | 3.9 | 49362 | 63.3 |
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 | 2.5 | 2.6 | 91.5 | 0.476 | 1.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | THROUGHOUT | 2HG4 | 2.49 | 46.96 | 46780 | 46742 | 2524 | 92.61 | 0.23088 | 0.22834 | 0.27848 | RANDOM | 47.759 |
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] | |
1.38 | 1.38 | -2.77 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.031 |
r_dihedral_angle_4_deg | 19.01 |
r_dihedral_angle_3_deg | 17.559 |
r_dihedral_angle_1_deg | 5.697 |
r_angle_refined_deg | 1.327 |
r_chiral_restr | 0.099 |
r_bond_refined_d | 0.008 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | |
r_angle_other_deg |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6961 |
Nucleic Acid Atoms | |
Solvent Atoms | 98 |
Heterogen Atoms | 100 |
Software
Software | |
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Software Name | Purpose |
DNA | data collection |
PHASER | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |