Structure of the BasE mutant V336A, an NRPS adenylation domain in the acinetobactin biosynthetic pathway bound to 4-methyl salicylic Acid
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3O82 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 287 | 12% PEG 4000, 0.1 M Calcium chloride, 0.05 M TRIS HCl pH 8.5, 3mM 4-methylsalicylic acid |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.79 | 55.94 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 65.759 | ¦Á = 90 |
b = 143.682 | ¦Â = 90 |
c = 148.724 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 93 | PIXEL | DECTRIS EIGER X 16M | 2023-12-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-2 | 0.97946 | SSRL | BL12-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | 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 | 2.39 | 39.59 | 99.8 | 0.093 | 0.041 | 0.999 | 14 | 6.9 | 56567 | 49.04 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.39 | 2.46 | 1.462 | 0.629 | 0.728 | 1.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.39 | 39.59 | 1.34 | 56423 | 2001 | 99.63 | 0.1874 | 0.1861 | 0.1864 | 0.2252 | 0.2256 | 58.06 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 7.2901 |
f_angle_d | 0.9087 |
f_chiral_restr | 0.0534 |
f_bond_d | 0.0082 |
f_plane_restr | 0.0082 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6715 |
Nucleic Acid Atoms | |
Solvent Atoms | 288 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |