2BUF
Arginine Feed-Back Inhibitable Acetylglutamate Kinase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1GS5 | PDB ENTRY 1GS5 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277 | CRYSTALS WERE OBTAINED AT 277 K IN ABOUT TWO WEEKS USING THE HANGING DROP TECHNIQUE AND UTILIZING A 10 MG/ML. PROTEIN SOLUTION CONTAINING 20 MM HEPES PH 7.5, 1 MM DITHIOERYTHRITOL, 10% GLYCEROL, 30 MM MAGNESIUM CHLORIDE, 20 MM N-ACETYL-L-GLUTAMATE, 10 MM ADP AND 0.02% SODIUM AZIDE, AND A RESERVOIR SOLUTION WITH 0.1 M SODIUM CACODYLATE PH 6.5, 150-170 MM MAGNESIUM ACETATE AND POLYETHYLENE GLYCOL 8000 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.89 | 57.17 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 71.86 | α = 91.49 |
b = 98.78 | β = 92.03 |
c = 162.9 | γ = 107.56 |
Symmetry | |
---|---|
Space Group | P 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 CCD | 2001-02-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
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 | 2.95 | 69 | 96.6 | 0.05 | 5.4 | 1.9 | 86766 | 86.056 |
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 | 2.95 | 3.1 | 94.2 | 0.36 | 2 |
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 | PDB ENTRY 1GS5 | 2.95 | 18 | 86423 | 4400 | 96.7 | 0.2491 | 0.2491 | 0.2668 | RANDOM | 88.333 |
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] | |
-5.84 | -7.178 | -1.197 | 1.97 | 3.297 | 3.87 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_angle_deg | 1.96833 |
c_bond_d | 0.011279 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na | |
c_angle_deg_prot | |
c_dihedral_angle_d |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 25509 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 414 |
Software
Software | |
---|---|
Software Name | Purpose |
CNS | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |