4FXC
TERTIARY STRUCTURE OF [2FE-2S] FERREDOXIN FROM SPIRULINA PLATENSIS REFINED AT 2.5 ANGSTROMS RESOLUTION: STRUCTURAL COMPARISONS OF PLANT-TYPE FERREDOXINS AND AN ELECTROSTATIC POTENTIAL ANALYSIS
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.28 | 46.15 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 62.32 | α = 90 |
| b = 28.51 | β = 90 |
| c = 108.08 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 21 |
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 | 2.5 | 8 | 2 | 2912 | 84.6 | 0.199 | 0.199 | ||||||||||||
| 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_scangle_it | 4.8 |
| x_mcangle_it | 3.9 |
| x_scbond_it | 3.4 |
| x_mcbond_it | 2.6 |
| x_bond_d | 0.022 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 732 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 42 |
| Heterogen Atoms | 4 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| X-PLOR | model building |
| X-PLOR | refinement |
| X-PLOR | phasing |
