The structure of trans-3-chloroacrylic acid dehalogenase, covalently inactivated by the mechanism-based inhibitor 3-bromopropiolate at 2.3 Angstrom resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1OTF | PDB ENTRY 1OTF | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.8 | 293 | 22% (w/v) PEG 4000, 100mM Sodium Acetate, 0.15 ammonium Acetate, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 1.99 | 38.06 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 55.379 | α = 90 | 
| b = 100.637 | β = 98.87 | 
| c = 69.85 | 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 | 200 | IMAGE PLATE | MACSCIENCE | 2002-10-10 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | OTHER | 1.57 | ||
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 | 2.26 | 35 | 97.2 | 0.089 | 0.072 | 11.2 | 4 | 35250 | 34262 | 2 | 2 | 9.1 | |||||||
| 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) | ||||||||||
| 1 | 2.26 | 2.34 | 80.6 | 0.277 | 0.275 | 2.95 | 3.8 | 2818 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1OTF | 2.3 | 34.51 | 2 | 34958 | 33258 | 1700 | 98.8 | 0.222 | 0.222 | 0.22 | 0.274 | 0.27 | RANDOM | 21.4 | ||
| 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] | |
| 12.04 | 0.06 | -3.26 | -8.79 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| c_dihedral_angle_d | 24.8 | 
| c_scangle_it | 2.74 | 
| c_scbond_it | 1.99 | 
| c_mcangle_it | 1.93 | 
| c_angle_deg | 1.3 | 
| c_mcbond_it | 1.23 | 
| c_improper_angle_d | 0.76 | 
| c_bond_d | 0.007 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 5324 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 171 | 
| Heterogen Atoms | 36 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| CNS | refinement | 
| DENZO | data reduction | 
| SCALEPACK | data scaling | 
| AMoRE | phasing | 
| CNX | refinement | 














