4QGR
Crystal structure of a DegT DnrJ EryC1 StrS aminotransferase from Brucella abortus
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3NU7 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 289 | BrabA.17333.a.B1.PS02033 at 20 mg/mL against MCSG-1 screen condition F2 0.2 M ammonium acetate, 0.1 M BisTris HCl pH 6.5, 25% PEG 3350 supplemented with 25% ethylene glycol as cryo-protectant, crystal tracking ID 254589f2, unique puck ID xrf9-6, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.26 | 45.66 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 47.69 | α = 90 |
b = 92.06 | β = 96.82 |
c = 86.41 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 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 | ADSC QUANTUM 315r | 2014-04-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.12709 | SSRL | BL7-1 |
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 | 1.75 | 50 | 99.5 | 0.072 | 13.61 | 3.7 | 74703 | 74295 | -3 | 25.269 |
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) | |||||||||||
1 | 1.75 | 1.8 | 99 | 0.547 | 2.32 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 3NU7 | 1.75 | 50 | 74272 | 3688 | 99.47 | 0.1574 | 0.1559 | 0.1851 | RANDOM | 24.456 |
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] | |
0.02 | 0.03 | -1.38 | 1.31 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.425 |
r_dihedral_angle_4_deg | 17.349 |
r_dihedral_angle_3_deg | 11.827 |
r_dihedral_angle_1_deg | 5.716 |
r_angle_refined_deg | 1.461 |
r_mcangle_it | 1.335 |
r_mcbond_it | 0.833 |
r_mcbond_other | 0.824 |
r_angle_other_deg | 0.811 |
r_chiral_restr | 0.086 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5660 |
Nucleic Acid Atoms | |
Solvent Atoms | 714 |
Heterogen Atoms | 41 |
Software
Software | |
---|---|
Software Name | Purpose |
XSCALE | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |