3IS4
Crystal structure of Leishmania mexicana pyruvate kinase (LmPYK)in complex with 1,3,6,8-pyrenetetrasulfonic acid
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1PKL | PDB ENTRY 1PKL |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 277 | 12-16% Peg 8000, 20mM triethanolamine-HCl buffer (pH 7.2), 50mM MgCl2, 100mM KCl, 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.02 | 59.33 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 122.86 | α = 90 |
b = 129.86 | β = 90 |
c = 165.2 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 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 | IMAGE PLATE | MAR555 FLAT PANEL | mirrors | 2008-11-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | 0.98 | ESRF | ID23-1 |
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 | 2.1 | 20.69 | 99.9 | 0.076 | 0.027 | 20.1 | 9 | 76957 | 2.1 | 2.1 | 31.606 |
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) | ||||||||||
2.1 | 2.21 | 100 | 0.527 | 0.189 | 4.2 | 8.7 | 11124 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | 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 | PDB ENTRY 1PKL | 2.1 | 20.69 | 2.1 | 2.1 | 76956 | 73091 | 3865 | 99.87 | 0.23214 | 0.2305 | 0.26321 | RANDOM | 37.446 |
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] | |
0.1 | 2.3 | -2.4 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.014 |
r_dihedral_angle_4_deg | 14.528 |
r_dihedral_angle_3_deg | 13.594 |
r_dihedral_angle_1_deg | 5.07 |
r_scangle_it | 2.098 |
r_scbond_it | 1.186 |
r_angle_refined_deg | 0.99 |
r_mcangle_it | 0.825 |
r_mcbond_it | 0.436 |
r_chiral_restr | 0.067 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7506 |
Nucleic Acid Atoms | |
Solvent Atoms | 643 |
Heterogen Atoms | 62 |
Software
Software | |
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Software Name | Purpose |
MxCuBE | data collection |
PHASER | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALA | data scaling |