1L4Y
CRYSTAL STRUCTURE OF SHIKIMATE KINASE FROM MYCOBACTERIUM TUBERCULOSIS IN COMPLEX WITH MGADP AT 2.0 ANGSTROM RESOLUTION
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1L4U | PDB ENTRY 1L4U |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 288.2 | PEG 4000, Magnesium Choloride, Sodium Chloride, ADENOSINE-5'-DIPHOSPHATE, SHIKIMIC ACID, Na-HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 288.2K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.91 | 57.74 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 63.86 | α = 90 |
b = 63.86 | β = 90 |
c = 92.07 | γ = 120 |
Symmetry | |
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Space Group | P 32 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 | CCD | ADSC QUANTUM 4 | MIRROR | 1999-07-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9B | 0.92000 | NSLS | X9B |
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 | 27.65 | 99.4 | 0.039 | 0.056 | 26.6 | 5.88 | 15110 | 14820 | -3 | 26.9 |
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 | 2.07 | 99.9 | 0.389 | 0.41 | 4.64 | 5.8 | 1461 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | Difference Fourier | THROUGHOUT | PDB ENTRY 1L4U | 2 | 30 | 14820 | 14820 | 739 | 97.8 | 0.217 | 0.252 | RANDOM | 35.1 |
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] | |
3.76 | -0.78 | 3.76 | -7.52 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 20.2 |
c_scangle_it | 4.31 |
c_scbond_it | 3.01 |
c_mcangle_it | 2.87 |
c_mcbond_it | 1.99 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.81 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1226 |
Nucleic Acid Atoms | |
Solvent Atoms | 173 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |