3AGF
Crystal structure of Bacillus glutaminase in the presence of 4.3M NaCl
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1MKI | PDB ENTRY 1mki |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | Microbatch method | 7.5 | 293 | 11mg/ml protein, 50mM HEPES, 4.3M NaCl, pH 7.5, Microbatch method, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.28 | 46.1 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 70.837 | α = 90 |
b = 179.965 | β = 90 |
c = 51.878 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 95 | CCD | ADSC QUANTUM 4r | 2008-02-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-6A | 0.978 | Photon Factory | BL-6A |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.6 | 19.82 | 100 | 0.191 | 0.191 | 8.6 | 4.8 | 21097 | 21093 | 40.1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.6 | 2.74 | 100 | 0.55 | 0.55 | 2.3 | 5 | 3037 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1mki | 2.6 | 19.8 | 21097 | 21093 | 1064 | 100 | 0.213 | 0.251 | RANDOM | 30.9 |
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] | |
-13.51 | -2.83 | 16.33 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_scangle_it | 5.465 |
c_mcangle_it | 3.824 |
c_scbond_it | 3.518 |
c_mcbond_it | 2.296 |
c_angle_deg | 1.3 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4623 |
Nucleic Acid Atoms | |
Solvent Atoms | 238 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
ADSC | data collection |
AMoRE | phasing |
CNS | refinement |
MOSFLM | data reduction |
SCALA | data scaling |