7O4M
Structure of Staphylococcus aureus m1A22-tRNA methyltransferase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3KR9 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 0.1 M ammonium acetate, 0.1 M Bis-Tris pH 5.5, 17% PEG 10,000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 59.225 | α = 90 |
b = 60.705 | β = 90 |
c = 63.128 | 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 | 90 | PIXEL | DECTRIS EIGER2 XE 16M | 2017-09-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.9795 | Diamond | I04 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 1.3 | 43.8 | 99.9 | 0.04 | 0.045 | 0.02 | 0.99 | 17.5 | 4.8 | 56680 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.3 | 1.32 | 99.9 | 0.254 | 0.285 | 0.127 | 0.94 | 1.9 | 4.8 |
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 | 3KR9 | 1.3 | 43.76 | 53540 | 3077 | 99.9 | 0.1163 | 0.1146 | 0.1476 | RANDOM | 14.726 |
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] | |
-0.23 | 0.04 | 0.19 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.783 |
r_dihedral_angle_3_deg | 11.94 |
r_dihedral_angle_4_deg | 11.384 |
r_dihedral_angle_1_deg | 6.213 |
r_rigid_bond_restr | 4.001 |
r_angle_refined_deg | 1.768 |
r_angle_other_deg | 1.515 |
r_chiral_restr | 0.106 |
r_bond_refined_d | 0.013 |
r_gen_planes_refined | 0.011 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1787 |
Nucleic Acid Atoms | |
Solvent Atoms | 382 |
Heterogen Atoms | 19 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
xia2 | data reduction |
xia2 | data scaling |
PHASER | phasing |