3DV0
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 | 10-15% PEG 4K, 0.2 M imidazole malate pH 5 in the presence of 5 mM 3-deazaThDP. The crystals were soaked with 10mM pyruvate for 3-day, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 291.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.82 | 32.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 68.312 | α = 90 |
b = 232.82 | β = 91.83 |
c = 92.004 | 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 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.9793 | ESRF | ID29 |
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 | 2.5 | 85 | 87.5 | 0.098 | 0.11 | 11.6 | 4.8 | 110903 | 110687 | 2.6 | 2.6 |
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) | ||||||||||
2.5 | 2.64 | 79.3 | 0.41 | 0.48 | 2.9 | 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 | 2.5 | 72.17 | 90276 | 90417 | 4664 | 96.21 | 0.17594 | 0.1726 | 0.24052 | RANDOM | 35.44 |
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] | |
2.6 | -0.2 | -0.3 | -2.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.135 |
r_dihedral_angle_4_deg | 16.809 |
r_dihedral_angle_3_deg | 12.371 |
r_scangle_it | 11.449 |
r_scbond_it | 9.043 |
r_mcangle_it | 5.509 |
r_mcbond_it | 3.978 |
r_angle_refined_deg | 1.221 |
r_dihedral_angle_1_deg | 1.135 |
r_nbtor_refined | 0.33 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 21519 |
Nucleic Acid Atoms | |
Solvent Atoms | 990 |
Heterogen Atoms | 126 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |