3QFK
2.05 Angstrom Crystal Structure of Putative 5'-Nucleotidase from Staphylococcus aureus in complex with alpha-ketoglutarate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 295 | Protein: 7.1 mg/mL, 0.25M Sodium chloride, Tris-HCl pH 8.3, Screen: PEGs II (C11), 0.2M Lithium sulfate, 0.1M Tris pH 8.5, 20% PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.7 | 54.46 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 90.444 | α = 90 |
b = 84.689 | β = 116.91 |
c = 95.966 | γ = 90 |
Symmetry | |
---|---|
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 | MARMOSAIC 300 mm CCD | Beryllium lenses | 2010-10-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.05 | 30 | 98.8 | 0.066 | 13.4 | 3.7 | 40617 | 40617 | -3 | 41.8 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.05 | 2.09 | 88.9 | 0.489 | 2.05 | 2.9 | 1827 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | 2.05 | 29.2 | 36636 | 36636 | 1928 | 95.05 | 0.17557 | 0.17557 | 0.17323 | 0.22146 | RANDOM | 49.413 |
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] | |
-2.51 | -2.53 | 2.37 | -2.14 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.013 |
r_dihedral_angle_3_deg | 9.207 |
r_dihedral_angle_4_deg | 7.853 |
r_scangle_it | 4.594 |
r_scbond_it | 3.09 |
r_dihedral_angle_1_deg | 2.95 |
r_mcangle_it | 1.9 |
r_angle_refined_deg | 1.426 |
r_mcbond_it | 1.101 |
r_angle_other_deg | 0.818 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4092 |
Nucleic Acid Atoms | |
Solvent Atoms | 227 |
Heterogen Atoms | 23 |
Software
Software | |
---|---|
Software Name | Purpose |
Blu-Ice | data collection |
PHENIX | model building |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
PHENIX | phasing |