1GAD
COMPARISON OF THE STRUCTURES OF WILD TYPE AND A N313T MUTANT OF ESCHERICHIA COLI GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASES: IMPLICATION FOR NAD BINDING AND COOPERATIVITY
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.23 | 61.93 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( ? ) | Angle ( ? ) |
| a = 79.14 | ¦Á = 90 |
| b = 189.56 | ¦Â = 90 |
| c = 122.18 | ¦Ã = 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 | ||||||||||||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 8 | 74.8 | 62943 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
| X-RAY DIFFRACTION | 1.8 | 8 | 2 | 58328 | 69 | 0.197 | 0.197 | ||||||||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_angle_deg | 1.62 |
| x_bond_d | 0.008 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| x_angle_deg_na | |
| x_angle_deg_prot | |
| x_dihedral_angle_d | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4976 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 290 |
| Heterogen Atoms | 88 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| ARP/wARP | model building |
| X-PLOR | model building |
| X-PLOR | refinement |
| X-PLOR | phasing |
