3QKW
Structure of Streptococcus parasangunini Gtf3 glycosyltransferase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 1 ul of protein solution (15 mg/ml protein and 10mM UDP-Glucose) was mixed with 1 ul of reservoir (0.1M Succinic Acid, 11% Polyethylene glycol 3,350, 10% glycerol), pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.36 | 47.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 77.217 | α = 90 |
b = 99.244 | β = 90 |
c = 188.185 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | MARMOSAIC 300 mm CCD | 2010-04-05 | M | SAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.033 | APS | 22-ID |
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 | 2.1 | 42.512 | 98.2 | 0.09 | 16.2 | 5.6 | 63229 |
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 | 2.1 | 2.18 | 96 | 0.479 | 10.8 | 3.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | A SAD dataset was collected using Se-Met crystal. Initial structure determined in spacegroup C2221 with Gtf3 dimer. | 2.287 | 42.512 | 1.34 | 63229 | 63229 | 3217 | 95.69 | 0.1901 | 0.187 | 0.2498 |
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] | |
12.6213 | -5.2667 | -7.3547 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 17.21 |
f_angle_d | 1.145 |
f_chiral_restr | 0.077 |
f_bond_d | 0.008 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10583 |
Nucleic Acid Atoms | |
Solvent Atoms | 188 |
Heterogen Atoms | 100 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
PHENIX | model building |
PHENIX | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
PHENIX | phasing |