1JC4
Crystal Structure of Se-Met Methylmalonyl-CoA Epimerase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.2 | 291 | PEG 2000 (MME), sodium acetate, ammonium sulfate, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.24 | 45.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 43.6 | α = 90 |
b = 78.62 | β = 91.95 |
c = 89.43 | 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 | 110 | IMAGE PLATE | MARRESEARCH | 2000-02-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.08 | SSRL | BL7-1 |
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 | 1.99 | 19.85 | 99.4 | 0.062 | 25 | 5 | 41059 | 39229 | 1 | 13.5 |
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 | 2.13 | 90.5 | 0.802 | 5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | MAD | THROUGHOUT | 2 | 19.85 | 39229 | 39229 | 3930 | 96.1 | 0.228 | 0.261 | random | 29.41 |
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] | |
5.21 | -6.04 | -3.96 | -1.24 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_torsion_deg | 23.8 |
x_angle_deg | 1.2 |
x_torsion_impr_deg | 0.68 |
x_bond_d | 0.005 |
x_mcbond_it | |
x_scbond_it | |
x_mcangle_it | |
x_scangle_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4596 |
Nucleic Acid Atoms | |
Solvent Atoms | 90 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
MAR345 | data collection |
SCALEPACK | data scaling |
MLPHARE | phasing |