7LNI
SeMet CamA Adenine Methyltransferase Complexed to Cognate Substrate DNA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 292 | 0.1 M Tris-HCl pH 7.0, 24.5% PEG 3350, 0.28 M Potassium citrate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.29 | 62.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 82.071 | α = 90 |
b = 160.985 | β = 90 |
c = 231.318 | 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 | 2020-12-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 0.97795 | 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 | 2.68 | 40.76 | 99.9 | 0.308 | 0.053 | 16.1 | 32.9 | 164334 | 49.93 |
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 | 2.68 | 2.79 | 99.6 | 2.602 | 0.513 | 0.671 | 1.7 | 23.8 |
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 | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | FREE R-VALUE | 2.68 | 40.76 | 1.34 | 164196 | 3813 | 99.19 | 0.2033 | 0.2028 | 0.2228 | 55.71 |
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 | 16.3697 |
f_angle_d | 0.423 |
f_chiral_restr | 0.0386 |
f_plane_restr | 0.0028 |
f_bond_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 13363 |
Nucleic Acid Atoms | 1704 |
Solvent Atoms | 266 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
SERGUI | data collection |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHENIX | phasing |