6AG8
Crystal structure of Maltose O-acetyltransferase from E. coli
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2IC7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 20% Poly Ethylene glycol 3350, 0.1M Tris (pH 8.0), 0.2M NaCl |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.104 | α = 90 |
b = 62.104 | β = 90 |
c = 81.128 | γ = 120 |
Symmetry | |
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Space Group | P 3 |
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 270 | 2018-05-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PAL/PLS BEAMLINE 7A (6B, 6C1) | 0.97934 | PAL/PLS | 7A (6B, 6C1) |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Rpim I (All) | 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 | 1.34 | 50 | 99.5 | 0.029 | 34.66 | 5.6 | 78711 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.34 | 1.36 | 0.187 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2IC7 | 1.34 | 26.91 | 74382 | 3885 | 99.41 | 0.17239 | 0.17145 | 0.1902 | RANDOM | 14.828 |
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] | |
-0.24 | -0.12 | -0.24 | 0.77 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.452 |
r_dihedral_angle_4_deg | 17.281 |
r_dihedral_angle_3_deg | 12.842 |
r_dihedral_angle_1_deg | 6.774 |
r_long_range_B_refined | 4.88 |
r_long_range_B_other | 4.839 |
r_scangle_other | 3.991 |
r_scbond_it | 2.622 |
r_scbond_other | 2.622 |
r_mcangle_other | 1.797 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2808 |
Nucleic Acid Atoms | |
Solvent Atoms | 297 |
Heterogen Atoms | 16 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data scaling |
MOLREP | phasing |