3DVA
Snapshots of catalysis in the E1 subunit of the pyruvate dehydrogenase multi-enzyme complex
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1W85 | PDB entry 1w85 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 291.15 | The mutant crystals are obtained from sitting-drop vapour diffusion using following condition: 10-15% PEG 4K, 0.2 M imidazole malate pH 5 in the presence of 5 mM 3-deazaThDP, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 291.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.83 | 32.78 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 68.673 | ¦Á = 90 |
b = 232.294 | ¦Â = 91.2 |
c = 91.936 | ¦Ã = 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 4 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-2 | 0.933 | ESRF | ID14-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.35 | 77 | 98.9 | 0.08 | 0.091 | 13.9 | 4.2 | 117919 | 3.1 | 3.1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.35 | 2.46 | 91.9 | 0.227 | 0.265 | 5.9 | 3.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 1w85 | 2.35 | 72.17 | 111973 | 111973 | 5906 | 98.9 | 0.19248 | 0.1896 | 0.24718 | RANDOM | 28.681 |
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] | |
2.25 | 0.25 | -0.93 | -1.32 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 29.564 |
r_dihedral_angle_1_deg | 23.503 |
r_dihedral_angle_4_deg | 11.301 |
r_dihedral_angle_3_deg | 10.493 |
r_mcangle_it | 1.953 |
r_mcbond_it | 1.686 |
r_angle_refined_deg | 1.14 |
r_scangle_it | 0.569 |
r_symmetry_hbond_refined | 0.448 |
r_symmetry_vdw_refined | 0.408 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 22043 |
Nucleic Acid Atoms | |
Solvent Atoms | 1127 |
Heterogen Atoms | 115 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |