1JS8
Structure of a Functional Unit from Octopus Hemocyanin
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 277 | PEG 3350, LITHIUM SULFATE, TRIS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.54 | 50 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 92.86 | α = 90 |
| b = 168.39 | β = 90 |
| c = 58.29 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 279 | IMAGE PLATE | FUJI | 1989-06-01 | M | MAD | ||||||
| 2 | 1 | x-ray | 298 | IMAGE PLATE | FUJI | 1994-06-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE | 1.3796,1.3779,1.2000 | Photon Factory | |
| 2 | SYNCHROTRON | NSLS BEAMLINE X4A | 0.98 | NSLS | X4A |
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MIRAS, combined with partial MAD phasing | 2.3 | 10 | 2 | 39114 | 38644 | 1614 | 0.201 | 0.202 | 0.262 | RANDOM | ||||||||
| 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_dihedral_angle_d | 24.29 |
| x_angle_d | 1.69 |
| x_improper_angle_d | 1.443 |
| x_mcbond_it | 0.09 |
| x_bond_d | 0.014 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6134 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 296 |
| Heterogen Atoms | 163 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| ROTAVATA | data reduction |
| MADSYS | phasing |
| MLPHARE | phasing |
| X-PLOR | refinement |
| CCP4 | data scaling |
| ROTAVATA | data scaling |
