COMPARISON OF CRYSTAL STRUCTURES OF TWO HOMOLOGOUS PROTEINS: STRUCTURAL ORIGIN OF ALTERED DOMAIN INTERACTIONS IN IMMUNOGLOBULIN LIGHT CHAIN DIMERS
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.54 | 51.63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 82.25 | α = 90 |
| b = 82.25 | β = 90 |
| c = 61.2 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 64 |
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-Work (DCC) | R-Free (Depositor) | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | 1.9 | 10 | 3 | 10320 | 0.157 | 0.15 | |||||||||||||
| 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 |
| p_staggered_tor | 23.5 |
| p_orthonormal_tor | 18.1 |
| p_planar_tor | 2.7 |
| p_scangle_it | 1.8 |
| p_mcangle_it | 1.29 |
| p_scbond_it | 1.18 |
| p_mcbond_it | 0.74 |
| p_multtor_nbd | 0.236 |
| p_xhyhbond_nbd | 0.209 |
| p_singtor_nbd | 0.198 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1650 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 196 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| X-PLOR | model building |
| PROLSQ | refinement |
| X-PLOR | refinement |
| X-PLOR | phasing |
