2CND
STRUCTURAL STUDIES ON CORN NITRATE REDUCTASE: REFINED STRUCTURE OF THE CYTOCHROME B REDUCTASE FRAGMENT AT 2.5 ANGSTROMS, ITS ADP COMPLEX AND AN ACTIVE SITE MUTANT AND MODELING OF THE CYTOCHROME B DOMAIN
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.15 | 60.93 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 145.2 | α = 90 |
| b = 145.2 | β = 90 |
| c = 47.5 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | H 3 |
Data Collection
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 (Depositor) | R-Free (Depositor) | Mean Isotropic B | ||||||||
| X-RAY DIFFRACTION | 2.5 | 6.5 | 1 | 9754 | 0.187 | 0.187 | 0.223 | 35 | |||||||||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_angle_deg | 2 |
| x_bond_d | 0.013 |
| 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 | 2074 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 75 |
| Heterogen Atoms | 53 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| X-PLOR | model building |
| X-PLOR | refinement |
| X-PLOR | phasing |
