4NYG
Crystal structure of the E. coli thiM riboswitch in complex with thiamine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2HOJ | PDB ENTRY 2HOJ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 294 | 30% PEG2000, 0.35 M ammonium chloride, 50 mM succinate/KOH, pH 7.0, 10 mM zinc chloride, VAPOR DIFFUSION, HANGING DROP, temperature 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 41.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 61.503 | α = 90 |
b = 61.503 | β = 90 |
c = 103.935 | γ = 120 |
Symmetry | |
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Space Group | P 32 1 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 315r | 2012-09-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 0.99999 | ALS | 5.0.2 |
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 | 3.05 | 30 | 99.9 | 0.164 | 12.9 | 11.3 | 4410 |
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) | |||||||||||
1 | 3.05 | 3.1 | 99.1 | 0.696 | 8.4 | 214 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 2HOJ | 3.05 | 30 | 4200 | 435 | 94.2 | 0.2488 | 0.3229 | 109.686 |
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] | |
11.793 | 11.793 | -23.586 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 3.115 |
c_scbond_it | 1.892 |
c_angle_d | 1.062 |
c_bond_d | 0.006 |
c_mcbond_it | |
c_mcangle_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 1582 |
Solvent Atoms | 4 |
Heterogen Atoms | 24 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
DENZO | data reduction |
PHASER | phasing |