2JCA
Crystal structure of the streptomyces coelicolor holo- [Acyl-carrier-protein] Synthase (AcpS) at 2 A.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1F7T | PDB ENTRY 1F7T |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.8 | ACPS WAS DIALYZED IN 50 MM TRIS PH 8.8, 10% GLYCEROL. THEN IT WAS CRYSTALLIZED IN 0.2M AMMONIUM SULPHATE, 0.1M NACACODYLATE PH 6.5, 30% PEG8000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 75.94 | α = 90 |
b = 75.94 | β = 90 |
c = 108.351 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 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 CCD | 2005-11-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX14.1 | SRS | PX14.1 |
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 | 1.98 | 50 | 99.3 | 0.08 | 22.19 | 6.4 | 25759 | 29.9 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.98 | 2.05 | 95.7 | 0.38 | 2.04 | 3 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1F7T | 1.98 | 65.8 | 24295 | 1305 | 99.4 | 0.18 | 0.178 | 0.22 | RANDOM | 39.5 |
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] | |
0.26 | 0.13 | 0.26 | -0.39 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 29.129 |
r_dihedral_angle_4_deg | 17.032 |
r_dihedral_angle_3_deg | 14.149 |
r_dihedral_angle_1_deg | 9.519 |
r_scangle_it | 8.205 |
r_scbond_it | 5.29 |
r_mcangle_it | 2.726 |
r_angle_refined_deg | 1.69 |
r_mcbond_it | 1.55 |
r_nbtor_refined | 0.301 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2661 |
Nucleic Acid Atoms | |
Solvent Atoms | 199 |
Heterogen Atoms | 22 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |