1PPC
GEOMETRY OF BINDING OF THE BENZAMIDINE-AND ARGININE-BASED INHIBITORS N-ALPHA-(2-NAPHTHYL-SULPHONYL-GLYCYL)-DL-P-AMIDINOPHENYLALANYL-PIPERIDINE (NAPAP) AND (2R,4R)-4-METHYL-1-[N-ALPHA-(3-METHYL-1,2,3,4-TETRAHYDRO-8-QUINOLINESULPHONYL)-L-ARGINYL]-2-PIPERIDINE CARBOXYLIC ACID (MQPA) TO HUMAN ALPHA-THROMBIN: X-RAY CRYSTALLOGRAPHIC DETERMINATION OF THE NAPAP-TRYPSIN COMPLEX AND MODELING OF NAPAP-THROMBIN AND MQPA-THROMBIN
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.94 | 58.14 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 63.51 | α = 90 |
| b = 69.19 | β = 90 |
| c = 63.81 | 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 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||||
| X-RAY DIFFRACTION | 1.8 | 0.181 | 0.181 | ||||||||||||||||
| 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_angle_deg | 2.54 |
| x_bond_d | 0.011 |
| x_bond_d_na | |
| x_bond_d_prot | |
| x_angle_d | |
| x_angle_d_na | |
| x_angle_d_prot | |
| x_angle_deg_na | |
| x_angle_deg_prot | |
| x_dihedral_angle_d | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1629 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 147 |
| Heterogen Atoms | 38 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| X-PLOR | model building |
| X-PLOR | refinement |
| X-PLOR | phasing |
