2B78
A putative sam-dependent methyltransferase from Streptococcus mutans
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 289 | PEG8000, Sodium Cacodylate,Magnesium Acetates, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K |
2 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 289 | PEG8000, Sodium Cacodylate,Magnesium Acetates, ethyl mercury thiosalicylate , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 168.472 | α = 90 |
b = 50.659 | β = 104.22 |
c = 53.963 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | BRUKER SMART 6000 | MONTEL | 2005-03-17 | M | SINGLE WAVELENGTH | |||||
2 | 1 | x-ray | 100 | CCD | BRUKER SMART 6000 | MONTEL | 2005-03-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR591 | 1.5418 | ||
2 | ROTATING ANODE | ENRAF-NONIUS FR591 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | ||||||||
1,2 | 1.8 | 50 | 94.49 | 0.0503 | 11 | 4.54 | 58372 | 52534 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.8 | 1.91 | 74.1 | 0.1509 | 2.77 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | SIRAS | 2 | 50 | 41078 | 38816 | 5086 | 90 | 0.241 | 0.259 | RANDOM | 20.246 |
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] | |
1.084 | 1.445 | -3.184 | 2.1 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3014 |
Nucleic Acid Atoms | |
Solvent Atoms | 220 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
PDB_EXTRACT | data extraction |
PROTEUM PLUS | data reduction |
PROTEUM PLUS | data scaling |
SOLVE | phasing |