Crystal structure of enolase from E. coli with a mixture of apo form, substrate, and product form
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2FYM | PDB entry 2FYM |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 2.0 M ammonium sulfate, 0.1 M MES, pH 6.0, 0.1 M sodium/potassium tartrate |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.9 | 57.63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 111.262 | α = 90 |
| b = 143.293 | β = 90 |
| c = 207.04 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 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 | PIXEL | DECTRIS EIGER X 9M | White beam slits, double crystal Si(111) monochromator with horizontal theta-axis, tandem flat beam deflecting silicon mirrors (Pd and Si lanes), Kirkpatrick-Baez focusing silica mirrors, Pd-coated, each bent adaptively with 16 piezo actuators | 2017-02-01 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS-II BEAMLINE 17-ID-1 | 0.979186 | NSLS-II | 17-ID-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 2.21 | 29.69 | 99.3 | 0.036 | 0.051 | 0.036 | 0.998 | 13.8 | 1.9 | 165432 | 30.4 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2.21 | 2.24 | 87.4 | 0.332 | 0.47 | 0.332 | 0.786 | 2.2 | 1.9 | ||||||||||
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 (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 2FYM | 2.21 | 29.69 | 156961 | 8374 | 99.26 | 0.17384 | 0.17148 | 0.18 | 0.2182 | 0.22 | RANDOM | 40.171 | ||||
| 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] | |
| -0.2 | 2.12 | -1.92 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 41.416 |
| r_dihedral_angle_4_deg | 19.067 |
| r_dihedral_angle_3_deg | 14.741 |
| r_long_range_B_other | 7.702 |
| r_long_range_B_refined | 7.697 |
| r_dihedral_angle_1_deg | 7.003 |
| r_scangle_other | 6.522 |
| r_mcangle_it | 4.617 |
| r_mcangle_other | 4.617 |
| r_scbond_it | 4.508 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 19431 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 676 |
| Heterogen Atoms | 167 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| Aimless | data scaling |
| PHASER | phasing |














