5CXD
1.75 Angstrom resolution crystal structure of the apo-form acyl-carrier-protein synthase (AcpS) (acpS; purification tag off) from Staphylococcus aureus subsp. aureus COL in the I4 space group
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4JM7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 295 | Protein (purification tag off): 4.6 mg/mL in 10 mM Tris-HCL pH 8.3, 500 mM NaCl 5 mM BME 1 mM CaCl2 150 mM imidazole Crystallization: The PACT Suite B8(20): 200 mM Ammonium chloride 100 mM MES pH 6.0 20 % (w/v) PEG 6000 Cryo: crystallization condition |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 103.117 | α = 90 |
b = 103.117 | β = 90 |
c = 71.189 | γ = 90 |
Symmetry | |
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Space Group | I 4 |
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 | MARMOSAIC 225 mm CCD | 2015-06-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
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 | 1.75 | 30 | 99.9 | 0.077 | 22.86 | 7.4 | 37637 | 37637 | 24.3 |
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 | 1.75 | 1.78 | 100 | 0.74 | 2.34 | 6.3 |
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 | 4JM7 | 1.75 | 29.29 | 35751 | 1880 | 99.85 | 0.17027 | 0.16857 | 0.20336 | RANDOM | 29.084 |
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] | |
0.5 | 0.5 | -1.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.331 |
r_dihedral_angle_4_deg | 11.971 |
r_dihedral_angle_3_deg | 11.789 |
r_dihedral_angle_1_deg | 4.096 |
r_angle_refined_deg | 1.436 |
r_angle_other_deg | 1.283 |
r_chiral_restr | 0.091 |
r_bond_refined_d | 0.01 |
r_gen_planes_refined | 0.009 |
r_bond_other_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2913 |
Nucleic Acid Atoms | |
Solvent Atoms | 323 |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data scaling |
BLU-MAX | data collection |
PHASER | phasing |
Coot | model building |
HKL-2000 | data reduction |