2GPW
Crystal Structure of the Biotin Carboxylase Subunit, F363A Mutant, of Acetyl-CoA Carboxylase from Escherichia coli.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.5 | 294 | 0.1 M Bis-Tris (pH 7.5), 100 mM NaCl, 200 mM trimethylamine N-oxide, 8% (v/v) PEG2000 MME, 4% (v/v) glycerol, 5 mM magnesium chloride, and 2.5 mM DTT, VAPOR DIFFUSION, temperature 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.23 | 44.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.351 | α = 90 |
b = 81.499 | β = 97.69 |
c = 176.649 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 315 | 2005-08-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.0999 | NSLS | X29A |
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 | 2.2 | 30 | 88.5 | 0.109 | 8.5113 | 2.9 | 91116 | 80638 | -3 | -3 | 16 |
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) | |||||||||||
2.2 | 2.28 | 75.8 | 0.246 | 4.454 | 2.5 | 6858 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation 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 | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1DV1 | 2.2 | 29.75 | 0.5 | 84229 | 78337 | 5892 | 87.8 | 0.192 | 0.192 | 0.25 | RANDOM | 23.4 |
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] | |
-5.4 | 0.92 | 4.2 | 1.2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.2 |
c_scangle_it | 3.01 |
c_scbond_it | 2.1 |
c_mcangle_it | 1.98 |
c_angle_deg | 1.3 |
c_mcbond_it | 1.28 |
c_improper_angle_d | 0.81 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 13731 |
Nucleic Acid Atoms | |
Solvent Atoms | 1071 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
COMO | phasing |