3C2Y
tRNA-Guanine Transglycosylase (TGT) in complex with 6-Amino-2-methyl-1,7-dihydro-imidazo[4,5-g]quinazolin-8-one
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 288 | 100mM TRIS HCl, 1mM DTT, 10% DMSO, 5% PEG 8000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 44.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 90.3 | α = 90 |
b = 64.8 | β = 96 |
c = 70.3 | 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 | 2006-12-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 |
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 | 1.78 | 50 | 95 | 0.055 | 15 | 1.9 | 36907 | 36907 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.78 | 1.81 | 92.3 | 0.37 | 2.3 | 1.9 | 1780 |
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 | FOURIER SYNTHESIS | FREE R | PDB ENTRY 1P0D | 1.78 | 10 | 35094 | 35094 | 1760 | 91.1 | 0.1641 | 0.1622 | 0.2137 | RANDOM |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
6 | 2724 | 3109.5 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.064 |
s_non_zero_chiral_vol | 0.047 |
s_zero_chiral_vol | 0.042 |
s_angle_d | 0.025 |
s_from_restr_planes | 0.0246 |
s_anti_bump_dis_restr | 0.015 |
s_bond_d | 0.007 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2788 |
Nucleic Acid Atoms | |
Solvent Atoms | 274 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
CrystalClear | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |