3IA2
Pseudomonas fluorescens esterase complexed to the R-enantiomer of a sulfonate transition state analog
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 1.7 M ammonium sulfate, 3% PEG 400, 100 mM sodium-potassium phosphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
4.46 | 72.4 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 146.215 | α = 90 |
b = 146.215 | β = 90 |
c = 129.964 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 32 |
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 4 | SI(111) MONOCHROMATOR | 2005-06-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 1.1 | NSLS | X25 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.65 | 48.57 | 97.4 | 0.056 | 13.2 | 3.65 | 373997 | 364141 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.65 | 1.71 | 91.2 | 0.343 | 3 | 2.57 |
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 1VA4 | 1.65 | 48.57 | 345685 | 18410 | 97.35 | 0.19766 | 0.19711 | 0.20797 | RANDOM | 22.959 |
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] | |
-1.07 | -0.54 | -1.07 | 1.61 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.499 |
r_dihedral_angle_4_deg | 15.867 |
r_dihedral_angle_3_deg | 10.607 |
r_dihedral_angle_1_deg | 4.286 |
r_scangle_it | 1.487 |
r_scbond_it | 0.859 |
r_angle_refined_deg | 0.775 |
r_mcangle_it | 0.565 |
r_mcbond_it | 0.289 |
r_chiral_restr | 0.061 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 12720 |
Nucleic Acid Atoms | |
Solvent Atoms | 1419 |
Heterogen Atoms | 217 |
Software
Software | |
---|---|
Software Name | Purpose |
CBASS | data collection |
O | model building |
REFMAC | refinement |
d*TREK | data reduction |
d*TREK | data scaling |