2XAT
COMPLEX OF THE HEXAPEPTIDE XENOBIOTIC ACETYLTRANSFERASE WITH CHLORAMPHENICOL AND DESULFO-COENZYME A
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.5 | 10-20% POLYETHYLENEGLYCOL MONOMETHYL ETHER 2000, 100 MM TRIS, PH 8.5, 10 MM NICL2, 2 MM CHLORAMPHENICOL, 50 MM DESULFO-COA |
Crystal Properties | |
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Matthews coefficient | Solvent content |
6.6 | 79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 154.8 | α = 90 |
b = 154.8 | β = 90 |
c = 154.8 | γ = 90 |
Symmetry | |
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Space Group | P 41 3 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 | 295 | AREA DETECTOR | SIEMENS | 1997-08-09 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
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 | 3.2 | 99 | 94 | 0.094 | 0.094 | 10.9 | 3.8 | 10328 | 22.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 3.2 | 3.3 | 82 | 0.225 | 0.225 | 4.9 | 2.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 3.2 | 8 | 9553 | 509 | 93.8 | 0.213 | 0.213 | 0.255 | RANDOM | 18 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 26.9 |
x_angle_deg | 1.4 |
x_improper_angle_d | 0.7 |
x_bond_d | 0.011 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1564 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 67 |
Software
Software | |
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Software Name | Purpose |
PHASES | phasing |
X-PLOR | model building |
X-PLOR | refinement |
XENGEN | data reduction |
XENGEN | data scaling |
X-PLOR | phasing |