7LT5
CamA Adenine Methyltransferase Complexed to Cognate Substrate DNA and Cofactor SAH
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7LNJ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.3 | 292 | 0.1 M Tris-HCl pH 7.3, 23% PEG 3350, 0.27 M Potassium citrate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.24 | 62.08 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 81.418 | α = 90 |
b = 160.856 | β = 90 |
c = 230.161 | γ = 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 | 100 | PIXEL | DECTRIS EIGER X 16M | 2021-02-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.00000 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | 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 | 2.54 | 45.1 | 88.8 | 0.179 | 0.058 | 10.7 | 9.1 | 88557 | 40.52 |
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 | 2.54 | 2.64 | 83.1 | 1.498 | 0.478 | 0.564 | 1.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 7LNJ | 2.54 | 45.1 | 1.34 | 88478 | 2000 | 88.47 | 0.1779 | 0.1771 | 0.2115 | 49.84 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.3812 |
f_angle_d | 0.4912 |
f_chiral_restr | 0.0406 |
f_plane_restr | 0.0028 |
f_bond_d | 0.0022 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 13895 |
Nucleic Acid Atoms | 1686 |
Solvent Atoms | 335 |
Heterogen Atoms | 114 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
SERGUI | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHENIX | phasing |