3LKK
Crystal structure of the isopentenyl phosphate kinase substrate complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 274 | 0.1 M MIB buffer (2:3:3 molar ratio of sodium malonate, imidazole, boric acid), pH 7.0, 25% PEG1500, VAPOR DIFFUSION, SITTING DROP, temperature 274K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.18 | 43.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 124.307 | α = 90 |
b = 44.279 | β = 109.45 |
c = 91.764 | 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 | 100 | IMAGE PLATE | RIGAKU RAXIS IV | mirrors | 2008-09-15 | 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 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 | 30 | 98 | 0.075 | 11.2 | 3.7 | 31502 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | |||||||||||
2 | 2.07 | 95.2 | 0.475 | 3.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | T.acidophilum isopentenyl phosphate kinase solved by single-wavelength anomalous diffraction (SAD) | 2.001 | 29.303 | 1.34 | 31495 | 1599 | 97.91 | 0.1786 | 0.1758 | 0.2313 |
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] | |
2.3025 | 0.7261 | 0.3082 | -2.6107 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.161 |
f_angle_d | 1.783 |
f_chiral_restr | 0.101 |
f_bond_d | 0.019 |
f_plane_restr | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3646 |
Nucleic Acid Atoms | |
Solvent Atoms | 198 |
Heterogen Atoms | 82 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
CrystalClear | data collection |