1PSO
The crystal structure of human pepsin and its complex with pepstatin
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.24 | 59.7 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 72.068 | α = 90 |
| b = 150.972 | β = 90 |
| c = 40.854 | 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 | AREA DETECTOR | SAN DIEGO MULTIWIRE DETECTION SYSTEM | 1994-06-17 | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | 1.5418 | |||
Data Collection
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | Mean Isotropic B | |||||||||
| X-RAY DIFFRACTION | 2 | 30 | 30584 | 98.6 | 0.185 | 0.17 | 23 | ||||||||||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| o_improper_angle_d | 2.75 |
| o_angle_deg | 2.46 |
| o_bond_d | 0.011 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2486 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 234 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| GROMOS | refinement |
| SAN | data reduction |
