4RX1
Crystal Structure of antibiotic-resistance methyltransferase Kmr
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.1 | 277 | 100 mM MES buffer pH 6.1, 6% PEG MME 5000, 8% 1-propanol, 0.5 mM SAM, 100 mM sodium iodide, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.09 | 60.23 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 89.506 | α = 90 |
b = 89.506 | β = 90 |
c = 127.875 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 31 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 | 193 | CCD | RIGAKU SATURN 944+ | 2011-01-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.47 | 50 | 99.1 | 21690 | 21690 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | SAD | 2.472 | 37.35 | 1.34 | 21619 | 21619 | 1105 | 99.4 | 0.2162 | 0.2137 | 0.2631 | RANDOM |
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 | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 13.237 |
f_angle_d | 1.397 |
f_chiral_restr | 0.079 |
f_bond_d | 0.011 |
f_plane_restr | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3133 |
Nucleic Acid Atoms | |
Solvent Atoms | 153 |
Heterogen Atoms | 11 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
PHENIX | model building |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHENIX | phasing |