Indirubin-3'-aminooxy-acetate inhibits glycogen phosphorylase by binding at the inhibitor and the allosteric site. Broad specificities of the two sites
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | SMALL TUBES | 6.7 | 291 | 10mM Bes buffer, 3mM DDT , pH 6.7, SMALL TUBES, temperature 291K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.43 | 48.91 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 128.487 | α = 90 |
| b = 128.487 | β = 90 |
| c = 116.282 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 21 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | CCD | M | SINGLE WAVELENGTH | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7A | 0.95 | EMBL/DESY, HAMBURG | BW7A |
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 | 1.9 | 30 | 99.5 | 0.051 | 16.2 | 5 | 76668 | 76668 | 23 | ||||||||||
| 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 | 1.9 | 2.02 | 99.9 | 0.478 | 4.06 | 4.9 | 11984 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 1.9 | 29.49 | 76617 | 3889 | 99.5 | 0.191 | 0.191 | 0.206 | RANDOM | 35 | |||||||
| 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] | |
| 3.83 | 3.83 | -7.66 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 21.8 |
| c_scangle_it | 3.4 |
| c_scbond_it | 2.19 |
| c_mcangle_it | 2.07 |
| c_mcbond_it | 1.33 |
| c_angle_deg | 1.3 |
| c_improper_angle_d | 0.8 |
| c_bond_d | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6573 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 340 |
| Heterogen Atoms | 90 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CNS | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| CNS | phasing |














