Crystal Structure of the T. brucei enolase complexed with Fluoro-phosphonoacetohydroxamate (FPAH)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1OEP | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 291 | 10 % (w/v) PEG1000, 0.01 M ZnSO4 or ZnCl2, and 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.4 | 48.82 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 74.809 | α = 90 |
| b = 110.644 | β = 90 |
| c = 109.006 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | MAR scanner 345 mm plate | MIRRORS | 2004-10-20 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU ULTRAX 18 | |||
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 | 1.8 | 21 | 99.9 | 0.056 | 23.3 | 7.6 | 42266 | 42224 | 1 | 1 | |||||||||
| 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) | |||||||||||
| 1.8 | 1.99 | 100 | 0.435 | 4.3 | 7.7 | ||||||||||||||
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 (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 | 1OEP | 1.8 | 21.04 | 40063 | 40063 | 2132 | 100 | 0.16452 | 0.16233 | 0.16 | 0.20584 | 0.2 | RANDOM | 27.921 | |||
| 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] | |
| -0.03 | -0.04 | 0.07 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.983 |
| r_dihedral_angle_4_deg | 22.314 |
| r_dihedral_angle_3_deg | 13.526 |
| r_dihedral_angle_1_deg | 9.733 |
| r_scangle_it | 4.458 |
| r_scbond_it | 2.876 |
| r_mcangle_it | 2.364 |
| r_angle_refined_deg | 1.611 |
| r_mcbond_it | 1.544 |
| r_symmetry_hbond_refined | 0.346 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3308 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 354 |
| Heterogen Atoms | 27 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MAR345dtb | data collection |
| MOSFLM | data reduction |
| SCALA | data scaling |
| MOLREP | phasing |














