1FC4
2-AMINO-3-KETOBUTYRATE COA LIGASE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.4 | 291 | ammonium sulfate, glycerol, Na/K phosphate, DTT, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 18K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.13 | 42.15 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 63.936 | α = 90 |
b = 98.659 | β = 90 |
c = 118.699 | 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 | ADSC QUANTUM 4 | 2000-05-28 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | 100 | CCD | ADSC QUANTUM 4 | 2000-05-28 | |||||||||
3 | 1 | 100 | CCD | ADSC QUANTUM 4 | 2000-05-28 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X8C | NSLS | X8C | |
2 | SYNCHROTRON | NSLS BEAMLINE X8C | NSLS | X8C | |
3 | SYNCHROTRON | NSLS BEAMLINE X8C | NSLS | X8C |
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 | 100 | 99.7 | 0.054 | 16.9 | 3 | 97661 | 97661 | -3 | -3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | 2 | 12 | -3 | -3 | 50708 | 50708 | 5094 | 100 | 0.151 | 0.212 | arbitrary, 10% |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6089 |
Nucleic Acid Atoms | |
Solvent Atoms | 1103 |
Heterogen Atoms | 46 |
Software
Software | |
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Software Name | Purpose |
SOLVE | phasing |
DM | model building |
ARP/wARP | model building |
DENZO | data reduction |
SCALEPACK | data scaling |
DM | phasing |