2R6Z
Crystal structure of the SAM-dependent methyltransferase NGO1261 from Neisseria gonorrhoeae, Northeast Structural Genomics Consortium Target NgR48
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH UNDER OIL | 6.5 | 277 | Protein solution: 10 mM Tris-HCl pH 7.5, 100 mM NaCl, 5 mM DTT. Reservoir solution: 100 mM Cacodylic acid pH 6.5, 18% PEG 3350, MICROBATCH UNDER OIL, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.48 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 58.233 | α = 90 |
b = 43.186 | β = 97.54 |
c = 103.57 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | CCD | ADSC QUANTUM 210 | mirrors | 2007-08-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X4C | 0.97893 | NSLS | X4C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | 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 | 1.8 | 26.82 | 98.4 | 0.04 | 0.031 | 28.9 | 4.1 | 91274 | 91274 | 14.9 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.8 | 1.86 | 96.6 | 0.365 | 0.27 | 2.96 | 3.9 | 8942 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.8 | 26.82 | 2 | 91274 | 79216 | 7737 | 85.4 | 0.216 | 0.215 | 0.215 | 0.231 | RANDOM | 28 |
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] | |
-2.87 | 2.95 | 4.53 | -1.66 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.2 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.77 |
c_bond_d | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3598 |
Nucleic Acid Atoms | |
Solvent Atoms | 453 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
SnB | phasing |
RESOLVE | phasing |