1AJ0
CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E. COLI DIHYDROPTEROATE SYNTHASE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8.4 | PROTEIN WAS CRYSTALLIZED FROM 42% AMMONIUM SULFATE, 50MM TRIS-HCL, PH 8.4. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.5 | 50.76 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.91 | α = 90 |
b = 60.67 | β = 114.67 |
c = 59.82 | γ = 90 |
Symmetry | |
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Space Group | C 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 289 | AREA DETECTOR | SIEMENS | 1993-07-30 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2 | 20 | 99.2 | 0.054 | 23202 | 2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 2 | 10 | 2 | 23206 | 18585 | 80 | 0.206 |
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 |
p_transverse_tor | 24.3 |
p_staggered_tor | 17.9 |
p_planar_tor | 1.8 |
p_xyhbond_nbd | 0.23 |
p_multtor_nbd | 0.223 |
p_singtor_nbd | 0.179 |
p_chiral_restr | 0.101 |
p_planar_d | 0.038 |
p_angle_d | 0.032 |
p_bond_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2147 |
Nucleic Acid Atoms | |
Solvent Atoms | 105 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
PROFFT | refinement |
XENGEN | data reduction |
XENGEN | data scaling |