The crystal structure of Legionella pneumophila adenosylhomocysteinase Lpg2021(I255A,T287A) in ternary complex with NAD and adenosine
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 289 | 0.1 M Potassium thiocyanate, 30% w/v PEG 2000 MME |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.98 | 58.77 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 130.657 | α = 90 |
b = 130.657 | β = 90 |
c = 113.834 | γ = 120 |
Symmetry | |
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Space Group | P 62 2 2 |
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 | PIXEL | DECTRIS PILATUS3 6M | 2023-10-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL19U1 | 0.97923 | SSRF | BL19U1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 1.92 | 50 | 99.68 | 0.944 | 3.9 | 38.5 | 44078 | 28.04 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.922 | 1.991 | 0.856 |
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 (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | Q5ZTY7 | 1.922 | 37.945 | 43919 | 2145 | 99.685 | 0.206 | 0.2055 | 0.2088 | 0.2252 | 0.229 | 28.875 |
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] | |
-0.001 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_6_deg | 17.627 |
r_dihedral_angle_3_deg | 15.248 |
r_lrange_it | 7.311 |
r_lrange_other | 7.31 |
r_dihedral_angle_1_deg | 6.483 |
r_scangle_it | 6.15 |
r_scangle_other | 6.149 |
r_scbond_it | 4.481 |
r_scbond_other | 4.479 |
r_dihedral_angle_2_deg | 4.343 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3301 |
Nucleic Acid Atoms | |
Solvent Atoms | 309 |
Heterogen Atoms | 63 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-3000 | data scaling |
PDB_EXTRACT | data extraction |
HKL-3000 | data reduction |
PHASER | phasing |