THE 2.1 ANGSTROM STRUCTURE OF A CYSTEINE PROTEASE WITH PROLINE SPECIFICITY FROM GINGER RHIZOME, ZINGIBER OFFICINALE
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 5.2 | 0.1 M SODIUM ACETATE BUFFER (PH 5.2) CONTAINING 0.1 M AMMONIUM SULFATE, 26% POLYETHYLENE GLYCOL MONOMETHYLETHER 2000, AND 2.5 MM SODIUM TETRATHIONATE | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.19 | 43.38 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 93.98 | α = 90 |
| b = 45.45 | β = 105.03 |
| c = 110.04 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 93 | IMAGE PLATE | RIGAKU RAXIS II | SUPPER LONG MIRRORS | 1997-08-15 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU RU300 | |||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 2.1 | 25 | 99.7 | 0.191 | 8 | 5 | 58449 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 2.1 | 2.2 | 75 | 3.8 | 5 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.1 | 25 | 48814 | 4505 | 91.7 | 0.213 | 0.213 | 0.22 | 0.249 | 0.25 | RANDOM | 13.5 | |||||
| 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 | 24.8 |
| x_angle_deg | 1.06 |
| x_improper_angle_d | 0.527 |
| x_bond_d | 0.005 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| x_angle_deg_na | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6584 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 373 |
| Heterogen Atoms | 214 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| AMoRE | phasing |
| X-PLOR | refinement |














