1O68
Crystal structure of 3-methyl-2-oxobutanoate hydroxymethyltransferase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | hanging drop vapor diffusion | 7.5 | 294 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.54 | 51.54 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 164.419 | α = 90 |
b = 111.238 | β = 122.93 |
c = 98.807 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | CCD | MARRESEARCH | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 32-ID | 1.5418 | APS | 32-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.1 | 69 | 94.4 | 0.084 | 11.3 | 4.4 | 81973 | 81973 |
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 | 2.1 | 2.21 | 94.4 | 0.29 | 3.8 | 3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 2.1 | 69 | 81973 | 8258 | 0.186 | 0.224 | 24.022 |
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] | |
-1.467 | -1.407 | 1.287 | -1.35 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
p_scangle_it | 3.876 |
p_scbond_it | 3.037 |
p_mcangle_it | 2.23 |
p_planar_tor | 2.049 |
p_angle_d | 1.906 |
p_mcbond_it | 1.362 |
p_chiral_restr | 0.11 |
p_bond_d | 0.016 |
p_plane_restr | 0.013 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 9188 |
Nucleic Acid Atoms | |
Solvent Atoms | 583 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |
TRUNCATE | data scaling |