4GUJ
1.50 Angstrom Crystal Structure of the Salmonella enterica 3-Dehydroquinate Dehydratase (aroD) in Complex with Shikimate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3L2I | PDB ENTRY 3L2I |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 300 | protein: 7.5 mg/mL in 0.5 M sodium shikimate, 0.01 M Tris-HCl, crystallization condition: Qiagen PEG II B8 (0.01 M nickel chloride, 0.1 M Tris, pH 8.5, 20% w/v PEG2000 MME), crystal incubated in and frozen from 2 M sodium shikimate, VAPOR DIFFUSION, SITTING DROP, temperature 300K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.04 | 39.83 |
Crystal Data
Unit Cell | |
---|---|
Length ( ? ) | Angle ( ? ) |
a = 48.62 | ¦Á = 90 |
b = 74.966 | ¦Â = 100.49 |
c = 63.042 | ¦Ã = 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 | MARMOSAIC 225 mm CCD | Beryllium lens | 2012-08-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
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 | 1.5 | 30 | 96.9 | 0.045 | 25.5 | 3.9 | 69175 | 69175 | -3 |
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 | 1.5 | 1.53 | 94.5 | 0.367 | 3.8 | 3.9 | 3375 |
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-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 3L2I | 1.5 | 28.66 | 65443 | 65443 | 3483 | 96.85 | 0.15674 | 0.15674 | 0.15534 | 0.18237 | RANDOM | 20.966 |
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] | |
-1.96 | 1.7 | -0.32 | 1.84 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.58 |
r_dihedral_angle_4_deg | 13.25 |
r_dihedral_angle_3_deg | 9.8 |
r_dihedral_angle_1_deg | 3.547 |
r_angle_refined_deg | 1.421 |
r_angle_other_deg | 0.737 |
r_chiral_restr | 0.085 |
r_bond_refined_d | 0.009 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3818 |
Nucleic Acid Atoms | |
Solvent Atoms | 420 |
Heterogen Atoms | 27 |
Software
Software | |
---|---|
Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |