2FM1
Crystal structure of L-ALLO-threonine aldolase (tm1744) from Thermotoga maritima at 2.25 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP, NANODROP | 7.5 | 277 | 0.19M CaCl2, 5.0% Glycerol, 26.6% PEG-400, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 43.95 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 95.614 | α = 90 |
b = 100.405 | β = 90 |
c = 149.648 | 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 | APS-1 | sagitally focusing 2nd crystal, Rosenbaum-Rock vertical focusing mirror | 2004-02-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | APS | 19-BM |
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 | 2.25 | 150 | 97 | 0.11 | 7.3 | 67017 |
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) | |||||||||||
1 | 2.25 | 2.3 | 71.4 | 0.554 | 2.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1jg8 | 2.25 | 83.33 | 63488 | 3400 | 96.9 | 0.146 | 0.146 | 0.142 | 0.216 | RANDOM | 23.99 |
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] | |
-0.3 | 0.94 | -0.64 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.43 |
r_dihedral_angle_4_deg | 14.767 |
r_dihedral_angle_3_deg | 13.516 |
r_scangle_it | 6.976 |
r_dihedral_angle_1_deg | 6.404 |
r_scbond_it | 4.676 |
r_mcangle_it | 2.53 |
r_angle_refined_deg | 1.58 |
r_mcbond_it | 1.539 |
r_angle_other_deg | 0.897 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10508 |
Nucleic Acid Atoms | |
Solvent Atoms | 1059 |
Heterogen Atoms | 19 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
PDB_EXTRACT | data extraction |
DENZO | data reduction |
HKL-2000 | data scaling |
REFMAC | refinement |